AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Insertion of window element in Penn State Habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Insertion of window element in Penn State Habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Window to eventually be placed in Penn State habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Penn State's printed habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Insertion of window element in Penn State Habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Penn State's printed habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Final measurement of Penn State habitat before crush test.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Initial footprint of 3D material laydown for Penn State habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Initial footprint of 3D material laydown for Penn State habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Initial footprint of 3D material laydown for Penn State habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Initial footprint of 3D material laydown for Penn State habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Penn State's printed habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Penn State's printed habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Bradley University students demonstrate force produced by air cannon.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Bradley University students demonstrate force produced by air cannon.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Bradley University students demonstrate force produced by air cannon.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Bradley University students demonstrate force produced by air cannon.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. First window placement in AI Spacefactory habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Dawn Mercer Turner talks to school children about CO2 conversion.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Overview of arena and both 3D printed habitats during smoke test

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Strength testing of composite material used for habitat construction by AI Spacefactory.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. First window placement in AI Spacefactory habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Smoke test of AI Spacefactory habitat

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Strength testing of composite material used for habitat construction by AI Spacefactory.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. MSFC engineer Dr. Tracie Prater talks to public audience about the need for space habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. AI team member shows early unsuccessful attempt at printing to students viewing the competition.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. MSFC engineer Dr. Tracie Prater talks to public audience about the need for space habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Free Caterpillar sunglasses and caps are a hit with school children.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Dawn Mercer Turner talks to school children about CO2 conversion.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. AI team member shows early unsuccessful attempt at printing to students viewing the competition.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. First window placement in AI Spacefactory habitat.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Astronaut Don Thomas talks with Penn State team members Negar Ashrafi and Maryam Hojati.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Caterpillar engineers work with specially modified radio controlled scale models that accurately replicate moves of full scale caterpillar equipment.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Caterpillar engineers work with specially modified radio controlled scale models that accurately replicate moves of full scale caterpillar equipment.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Caterpillar engineers work with specially modified radio controlled scale models that accurately replicate moves of full scale caterpillar equipment.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. MSFC TECHNICAL WRITER TAYLOR GOODWIN INTERVIEWS CATERPILLAR ENGINEER DAVE COOPER ABOUT HIS METHODS USED IN CONCEIVING AND PRODUCING SCALE MODELS

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Marshall Space Flight Center educator john Weis, right, offers students from Manual Academic High School in Peoria, Illinois a first-hand look at a Moon rock retrieved by the Apollo 15 mission.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois. Caterpillar engineers work with specially modified radio controlled scale models that accurately replicate moves of full scale caterpillar equipment.

AI. SpaceFactory of New York and Pennsylvania State Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

AI. SpaceFactory of New York and Pennsylvania State University of College Park print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Dr. Christopher House, Professor of Geosciences, Pennsylvania State University, speaks on a panel at the “Ancient Earth, Alien Earths” Event at NASA Headquarters in Washington, DC Wednesday, August 20, 2014. The event was sponsored by NASA, the National Science Foundation (NSF), and the Smithsonian Institution and was moderated by Dr. David H. Grinspoon, Senior Scientist at the Planetary Science Institute. Six scientists discussed how research on early Earth could help guide our search for habitable planets orbiting other stars. Photo Credit: (NASA/Aubrey Gemignani)

Marshall graduate student researcher Juliana Neves, who is pursuing her doctorate in civil engineering at Pennsylvania State University, monitors cement paste samples returned from space as part of the Microgravity Investigation of Cement Solidification. Neves, investigators at Penn State and Marshall researchers led by NASA materials scientist Richard Grugel mirrored each sample experiment conducted on the International Space Station -- 120 tests on the ground, 120 in orbit -- and will continue to assess their findings in months to come.

Climate researchers from the National Center for Atmospheric Research (NCAR) and several universities install and perform functional checkouts of a variety of sensitive atmospheric instruments on NASA's DC-8 airborne laboratory prior to beginning the ARCTAS mission.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Two teams - Penn State (left) and AI. SpaceFactory (right) competed to 3D-print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Two teams - Penn State (left) and AI. SpaceFactory (right) competed to 3D-print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Two teams - Penn State (left) and AI. SpaceFactory (right) competed to 3D-print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Two teams - Penn State (left) and AI. SpaceFactory (right) competed to 3D-print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Two teams - Penn State (left) and AI. SpaceFactory (right) competed to 3D-print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Two teams - Penn State (left) and AI. SpaceFactory (right) competed to 3D-print subscale habitat structures at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team AI. SpaceFactory's printer autonomously inserts a window into their 3D-printed subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.

Team Penn State prepares their 3D-printer to begin printing a subscale habitat structure at NASA's 3D-Printed Habitat Challenge, held at the Caterpillar Edwards Demonstration & Learning Center in Edwards, Illinois, May 1-4, 2019. The habitat print is the final level of the multi-phase competition, which began in in 2015. The 3D-Printed Habitat Challenge is a competition to create sustainable shelters suitable for the Moon, Mars or beyond using resources available on-site in these locations. The challenge is managed by NASA's Centennial Challenges program, and partner Bradley University of Peoria, Illinois.