NASA astronaut and Boeing Crew Flight Test Pilot Suni Williams Suni Williams uses a HAM radio and talks to students from Banda Aceh, Indonesia, answering their questions about life in space and other space related subjects aboard the International Space Station.
Astronaut Suni Williams uses a HAM radio and talks to students
NASA's Boeing Crew Flight Test (CFT) astronauts Barry "Butch" Wilmore and Sunita "Suni" Williams pose for a picture during T-38 pre-flight activities at Ellington Field.
Suni Williams and Butch Wilmore pose with T-38
jsc2018e067716_alt (Aug. 1, 2018) --- NASA Astronaut Suni Williams has been assigned to the second flight of Boeing’s CST-100 Starliner.
NASA Astronaut Suni Williams
NASA Astronaut Suni Williams, fully suited in SpaceX’s spacesuit, interfaces with the display inside a mock-up of the Crew Dragon spacecraft in Hawthorne, California, during a testing exercise on Tuesday, April 3, 2018.
Commerical Crew Astronaut Suni Williams in SpaceX's Spacesuit
Boeing CST-100 MOST CFT Ascent Sim for Eric Boe, Suni Williams and Barry "Butch" Wilmore.
Commercial Crew Program Astronaut Training - Suni Williams
Commercial Crew Program (CCP) astronaut Suni Williams in ISS EVA POGO training in SVMF POGO.
Commercial Crew Program Astronaut Training - Suni Williams
Commercial Crew Program (CCP) astronaut Suni Williams in ISS EVA POGO training in SVMF POGO.
Commercial Crew Program Astronaut Training - Suni Williams
Commercial Crew Program (CCP) astronaut Suni Williams in ISS EVA POGO training in SVMF POGO.
Commercial Crew Program Astronaut Training - Suni Williams
Commercial Crew Program astronaut training with Boeing PCM crew members Suni Williams & Josh Cassada during ISS EVA Maintenance 1 training at the NBL.
Commercial Crew Program Astronaut Training - Suni Williams
Commercial Crew Program astronaut training with Boeing PCM crew members Suni Williams & Josh Cassada during ISS EVA Maintenance 1 training at the NBL.
Commercial Crew Program Astronaut Training - Suni Williams
Commercial Crew Program astronaut training with Boeing PCM crew members Suni Williams & Josh Cassada during ISS EVA Maintenance 1 training at the NBL.
Commercial Crew Program Astronaut Training - Suni Williams
CCP astronauts Suni Williams and Josh Cassada during ISS EVA Maintenance 1G training.
Commercial Crew Program Astronaut Training - Suni Williams and J
CCP astronauts Suni Williams and Josh Cassada during ISS EVA Maintenance 1G training.
Commercial Crew Program Astronaut Training - Suni Williams and J
Astronaut Suni Williams poses with a poster of herself as she tours ULA facility in Decatur, Al
Astronaut Suni Williams poses with a poster of herself as she tours ULA facility in Decatur, Al
iss071e379502 (July 23, 2024) --- Clockwise from left, NASA astronauts Suni Williams, Mike Barratt, and Butch Wilmore work on lab maintenance tasks aboard the International Space Station. Williams and Wilmore are the Pilot and Commander, respectively, for Boeing's Crew Flight Test and Barratt is an Expedition 71 Flight Engineer.
NASA astronauts Suni Williams, Mike Barratt, and Butch Wilmore
iss072e487421 (Jan. 16, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams is pictured during a spacewalk outside the International Space Station where she replaced a rate gyro assembly that helps maintain the orientation of the orbital outpost.
Astronaut Suni Williams during a spacewalk outside the International Space Station
iss072e517812 (Jan. 21, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams is pictured during maintenance activities inside the International Space Station's Unity module.
Astronaut Suni Williams is pictured during maintenance activities
iss072e423916 (Jan. 3, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams takes a selfie portrait with a pair of Astrobee robotic free-flyers behind her inside the International Space Station's Kibo laboratory module.
Astronaut Suni Williams takes a selfie portrait
iss072e403402 (Dec. 24, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams assembles research hardware inside the International Space Station's cupola while orbiting 261 miles above the Pacific Ocean west of Nicaragua.
Astronaut Suni Williams assembles research hardware
iss072e451674 (Jan. 9, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams is pictured as she tries on and evaluates her spacesuit in a pressurized configuration aboard the International Space Station's Quest airlock.
Astronaut Suni Williams tries on and evaluates her spacesuit
NASA astronauts Suni WIlliams and Eric Boe check the Boeing Mission Simulator at the Boeing facility in St. Louis, Missouri, prior to its completion and shipment to NASA's Johnson Space Center in Houston. The simulator is a full-scale mockup of Boeing's Starliner spacecraft. The simulator will be used to train crews to fly the spacecraft.
Boeing Mission Simulator with CCP Astronauts
NASA astronauts Suni WIlliams and Eric Boe check the Boeing Mission Simulator at the Boeing facility in St. Louis, Missouri, prior to its completion and shipment to NASA's Johnson Space Center in Houston. The simulator is a full-scale mockup of Boeing's Starliner spacecraft. The simulator will be used to train crews to fly the spacecraft.
Boeing Mission Simulator with CCP Astronauts
iss071e403704 (July 24, 2024) --- NASA astronauts (from left) Tracy C. Dyson, Expedition 71 Flight Engineer, and Suni Williams, Pilot for Boeing's Crew Flight Test, work inside the NanoRacks Bishop airlock located in the port side of the International Space Station's Tranquility module. The duo installed the the ArgUS Mission-1 technology demonstration hardware inside Bishop for placement outside in the vacuum of space to test the external operations of communications, computer processing, and high-definition video gear.
NASA astronauts Tracy C. Dyson and Suni Williams
iss072e574845 (Jan. 30, 2025) --- Two spacewalkers, Expedition 72 Flight Engineer Butch Wilmore (upper left) and Expedition 72 Commander Suni Williams (lower right), both NASA astronauts, work outside the International Space Station during a five-hour and 26-minute spacewalk to remove radio communciations hardware and swab for microorganisms.
Spacewalkers Butch Wilmore and Suni Williams
iss072e391424 (Dec. 16, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams shows off a holiday decoration of a familiar reindeer aboard the International Space Station. The decoration was crafted with excess hardware, cargo bags, and recently-delivered Santa hats.
Astronaut Suni Williams shows off a holiday decoration
iss072e742802 (March 9, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Suni Williams peers at the Earth below from inside the International Space Station's cupola. The orbital outpost was soaring 260 miles above the Indian Ocean at the time of this photograph.
NASA astronaut Suni Williams peers at the Earth below
iss071e673574 (Sept. 17, 2024) -- NASA astronaut and Expedition 71 Flight Engineer Suni Williams smiles for a photo aboard the International Space Station.
NASA astronaut Suni Williams smiles for a photograph aboard the International Space Station
iss072e595426 (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams is attached to the Canadarm2 robotic arm's latching end effector while being maneuvered to her worksite 264 miles above the South Pacific Ocean. Williams removed and stowed a radio frequency group antenna assembly during the five-hour and 26-minute spacewalk outside the International Space Station.
Astronaut Suni Williams is attached to the Canadarm2 robotic arm
iss072e595424 (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams is attached to the Canadarm2 robotic arm's latching end effector while being maneuvered to her worksite 264 miles above the South Pacific Ocean. Williams removed and stowed a radio frequency group antenna assembly during the five-hour and 26-minute spacewalk outside the International Space Station.
Astronaut Suni Williams is attached to the Canadarm2 robotic arm
From left, Starliner Flight Crew Integration Manager Tony Ceccacci, and NASA astronauts Barry “Butch” Wilmore and Sunita “Suni” Williams participate in a mission rehearsal at Boeing’s Avionics and Software Integration Lab in Houston.
NASA Astronauts Participate in Boeing Mission Rehearsal
iss071e379489 (July 23, 2024) --- Clockwise from bottom, NASA astronauts Mike Barratt, Butch Wilmore, and Suni Williams are at work inside the International Space Station's Unity module. The trio was configuring the ArgUS Mission 1 technology demonstration hardware to test the external operations of communications, computer processing, and high-definition video gear in the vacuum of space.
NASA astronauts Mike Barratt, Butch Wilmore, and Suni Williams
iss072e403985 (Dec. 24, 2024) --- NASA astronauts Nick Hague and Suni Williams, Expedition 72 flight engineer and commander respectively, share snacks and goodies on Christmas Eve inside the gallery of the International Space Station's Unity module.
Astronauts Nick Hague and Suni Williams share snacks and goodies on Christmas Eve
iss072e013206 (Oct. 5, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams calls down to students in Shepperton, United Kingdom, on the International Space Station's ham radio and answers their questions about living in space.
Astronaut Suni Williams calls down to students using a ham radio
iss071e513842 (Aug. 9, 2024) --- NASA astronauts Butch Wilmore and Suni Williams, Boeing's Crew Flight Test Commander and Pilot respectively, inspect safety hardware aboard the International Space Station.
Astronauts Butch Wilmore and Suni Williams inspect safety hardware
iss072e099560 (Oct. 25, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams is pictured at the galley inside the International Space Station's Unity module at the beginning of her day.
Astronaut Suni Williams is pictured at the galley inside the Unity module
iss072e280674 (Nov. 24, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams poses for a fun holiday season portrait while speaking on a ham radio inside the International Space Station's Columbus laboratory module.
Astronaut Suni Williams poses for a fun holiday season portrait
iss072e403385 (Dec. 24, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams checks research components inside the Kibo laboratory module's Advanced Plant Habitat aboard the International Space Station.
Astronaut Suni Williams checks research components inside the Kibo laboratory module
iss072e282112 (Nov. 29, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams is pictured inside the vestibule between the SpaceX Dragon cargo spacecraft and the forward port on the International Space Station's Harmony module.
Astronaut Suni Williams between the SpaceX Dragon and the Harmony module
iss072e063703 (Oct. 15, 2024) --- NASA astronauts Nick Hague and Suni Williams, Expedition 72 Flight Engineer and Commander respectively, discuss orbital lab maintenance procedures aboard the International Space Station.
Astronauts Nick Hague and Suni Williams discuss orbital lab maintenance procedures
iss072e143163 (Nov. 1, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams replaces particulate filters on the water recovery system, a component of the Tranquility module's waste and hygiene compartment, the International Space Station's bathroom.
Astronaut Suni Williams replaces particulate filters on the water recovery system
iss072e189112 (Nov. 15, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams smiles for a portrait inside the International Space Station's Zvezda service module during dinner time.
Astronaut Suni Williams smiles for a portrait inside the International Space Station
Astronauts selected to train for the flight tests of NASA’s Commercial Crew Program participated in a panel discussion with employees at NASA’s Kennedy Space Center in Florida. From left, are Kennedy Center Director Bob Cabana, Commercial Crew Program Manager Kathy Lueders, and astronauts Eric Boe and Suni Williams.
Commerical Crew Program (CCP) Astronauts Speak To Employees
Astronauts selected to train for the flight tests of NASA’s Commercial Crew Program participated in a panel discussion with employees at NASA’s Kennedy Space Center in Florida. From left, are Kennedy Center Director Bob Cabana, Commercial Crew Program Manager Kathy Lueders, and astronauts Eric Boe and Suni Williams.
Commerical Crew Program (CCP) Astronauts Speak To Employees
Astronauts selected to train for the flight tests of NASA’s Commercial Crew Program participated in a panel discussion with employees at NASA’s Kennedy Space Center in Florida. From left, are Kennedy Center Director Bob Cabana, Commercial Crew Program Manager Kathy Lueders, and astronauts Eric Boe and Suni Williams.
Commerical Crew Program (CCP) Astronauts Speak To Employees
Astronauts selected to train for the flight tests of NASA’s Commercial Crew Program participated in a panel discussion with employees at NASA’s Kennedy Space Center in Florida. From left, are Kennedy Center Director Bob Cabana, Commercial Crew Program Manager Kathy Lueders, and astronauts Eric Boe and Suni Williams.
Commerical Crew Program (CCP) Astronauts Speak To Employees
iss072e281303 (Nov. 29, 2024) --- Expedition 72 Commander Suni Williams and Flight Engineer Don Pettit, both NASA astronauts, pose for a portrait in front of the Advanced Plant Habitat located inside the International Space Station's Kibo laboratory module. The Plant Habitat provides a large, enclosed, environmentally controlled chamber designed to support commercial and fundamental plant research in microgravity.
NASA astronauts Suni Williams and Don Pettit
iss072e143492 (Nov. 1, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams displays the Space Tissue Equivalent Dosimeter (SpaceTED) hardware inside the International Space Station's Kibo laboratory module. SpaceTED is a technology demonstration that can measure radiation dosages and characterize the radiaton environment in microgravity to protect crew members and spacecraft hardware.
Astronaut Suni Williams displays radiation measurement hardware
iss072e574908 (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams seemingly hangs upside down while attached to the Canadarm2 robotic arm's latching end effector during a five-hour and 26 minute spacewalk to remove and stow a radio frequency group antenna assembly. The orbital outpost was soaring 260 miles above Russia near the Sea of Azov at the time of this photograph.
Astronaut Suni Williams attached to the Canadarm2 robotic arm
iss072e143491 (Nov. 1, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams displays the Space Tissue Equivalent Dosimeter (SpaceTED) hardware inside the International Space Station's Kibo laboratory module. SpaceTED is a technology demonstration that can measure radiation dosages and characterize the radiaton environment in microgravity to protect crew members and spacecraft hardware.
Astronaut Suni Williams displays radiation measurement hardware
NASA astronaut Suni Williams gives remarks during a panel discussion moderated by NASA Deputy Associate Administrator Casey Swails, Monday, Sept. 15, 2025, at residence of the Ambassador of India in Washington. Williams, along with NASA astronauts Butch Wilmore, and Nick Hague served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew attend event at Indian Ambassadors’ Residen
jsc2025e032672 (March 18, 2025) --- NASA astronaut Suni Williams returns to Johnson Space Center's Ellington Field in Houston after completing a long-duration science mission aboard the International Space Station. After undocking from the orbiting laboratory, NASA’s SpaceX Crew-9 splashed down at 5:57 p.m. EDT on Tuesday, March 18, in the Gulf of America near Tallahassee, Florida.
NASA astronaut Suni Williams returns to Johnson Space Center
jsc2025e032539 (March 18, 2025) --- NASA astronaut Suni Williams returns to Johnson Space Center's Ellington Field in Houston after completing a long-duration science mission aboard the International Space Station and is greeted by Steve Koerner, Johnson's acting center director. After undocking from the orbiting laboratory, NASA’s SpaceX Crew-9 splashed down at 5:57 p.m. EDT on Tuesday, March 18, in the Gulf of America near Tallahassee, Florida.
NASA astronaut Suni Williams returns to Johnson Space Center
jsc2025e032669 (March 18, 2025) --- NASA astronaut Suni Williams returns to Johnson Space Center's Ellington Field in Houston after completing a long-duration science mission aboard the International Space Station. After undocking from the orbiting laboratory, NASA’s SpaceX Crew-9 splashed down at 5:57 p.m. EDT on Tuesday, March 18, in the Gulf of America near Tallahassee, Florida.
NASA astronaut Suni Williams returns to Johnson Space Center
iss072e572188 (Jan. 28, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams works in the Quest airlock readying a pair of spacesuits that she and NASA astronaut Nick Hague will wear durimg a spacewalk to remove radio communications hardware and search for microbes outside the International Space Station.
Astronaut Suni Williams works in the Quest airlock readying a pair of spacesuit
iss072e574856 (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams works outside the International Space Station during a five-hour and 26-minute spacewalk to remove and stow a radio frequency group antenna assembly. The orbital outpost was soaring 260 miles above Kazakhstan at the time of this photograph.
Astronaut Suni Williams works outside the International Space Station
iss072e488376 (Jan. 16, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams is pictured during a six-hour spacewalk for science and maintenance on the International Space Station. At upper right, is the SpaceX Dragon crew spacecraft docked to the Harmony module's space-facing port.
Astronaut Suni Williams is pictured during a six-hour spacewalk
iss072e363109 (Dec. 13, 2024) --- NASA astronauts Suni Williams and Don Pettit, Expedition 72 Commander and Flight Engineer respectively, take a break from science maintenance activities and pose for a selfie-portrait aboard the International Space Station's Harmony module.
Astronauts Suni Williams and Don Pettit pose for a selfie-portrait
iss072e280684 (Nov. 24, 2024) --- NASA astronauts Don Pettit and Suni Williams, Expedition 72 flight engineer and commander respectively, pose for a fun holiday season portrait while speaking on a ham radio inside the International Space Station's Columbus laboratory module.
Astronauts Don Pettit and Suni Williams pose for a fun holiday season portrait
iss071e581520 (Sept. 1, 2024) --- Expedition 71 Flight Engineers (from left) Suni Williams and Tracy C. Dyson look out the cupola, the International Space Station's "window to the world," while orbiting 264 miles above the Atlantic Ocean east of the Lesser Antilles group of islands.
NASA astronauts Suni Williams and Tracy C. Dyson look out the cupola
iss072e126623 (Oct. 29, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams wears a pirate's eye patch in celebration of Halloween while orbiting Earth aboard the International Space Station. Williams was also a wearing a thigh cuff on her left leg testing its ability to prevent space-caused fluid shifts toward a crew member's head safeguarding eye health in microgravity.
Astronaut Suni Williams wears a pirate's eye patch in celebration of Halloween
iss072e308289 (Dec. 2, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams displays science hardware housing bacteria and yeast samples for the Rhodium Biomanufacturing 03 study that may enable the production of food and medicine in space. Williams was in the cupola, the International Space Station's "window to the world," as the orbital outpost soared 258 miles above a cloudy Pacific Ocean off the coast of Costa Rica.
Astronaut Suni Williams displays science hardware for a biomanufacturing study
iss072e014350 (Oct. 4, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams checks procedures on a computer tablet while installing experiment samples inside the International Space Station's Combustion Integrated Rack. Williams was conducting research operations for the Solid Fuel Ignition and Extinction experiment that explores how a variety of materials burn in weightlessness to improve fire safety on spacecraft.
Astronaut Suni Williams checks research procedures on a computer tablet
NASA astronaut Suni Williams speaks with attendees of NASA’s Day on the Hill, Tuesday, Sept. 16, 2025, at the Hart Senate Office Building in Washington.  Photo Credit: (NASA/Joel Kowsky)
NASA Day on the Hill
NASA astronaut Suni Williams speaks about her time onboard the International Space Station as part of Expedition 72, Wednesday, Sept. 17, 2025, during an employee engagement event at the Mary W. Jackson NASA Headquarters building in Washington. Nick Hague, Suni Williams, Butch Wilmore, and Don Pettit served as part of Expedition 72 onboard the orbiting laboratory. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 72 Employee Engagement Event
NASA astronaut Suni Williams speaks about her time onboard the International Space Station as part of Expedition 72, Wednesday, Sept. 17, 2025, during an employee engagement event at the Mary W. Jackson NASA Headquarters building in Washington. Nick Hague, Suni Williams, Butch Wilmore, and Don Pettit served as part of Expedition 72 onboard the orbiting laboratory. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 72 Employee Engagement Event
NASA astronaut Suni Williams speaks about her time onboard the International Space Station as part of Expedition 72, Wednesday, Sept. 17, 2025, during an employee engagement event at the Mary W. Jackson NASA Headquarters building in Washington. Nick Hague, Suni Williams, Butch Wilmore, and Don Pettit served as part of Expedition 72 onboard the orbiting laboratory. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 72 Employee Engagement Event
NASA astronaut Suni Williams speaks about her time onboard the International Space Station as part of Expedition 72, Wednesday, Sept. 17, 2025, during an employee engagement event at the Mary W. Jackson NASA Headquarters building in Washington. Nick Hague, Suni Williams, Butch Wilmore, and Don Pettit served as part of Expedition 72 onboard the orbiting laboratory. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 72 Employee Engagement Event
NASA astronauts, Butch Wilmore, Nick Hague, and Suni Williams, speak with Ambassador of India to the United States H.E. Mr. Vinay Kwatra, Monday, Sept. 15, 2025, at residence of the Ambassador in Washington. Williams, Hague and Wilmore served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew attend event at Indian Ambassadors’ Residen
iss072e593598 (Feb. 4, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams monitors an Astrobee robotic free-flyer outfitted with tentacle-like arms containing gecko-like adhesive pads preparing to grapple a "capture cube." The toaster sized Astrobee, with the experimental grippers attached, demonstrated autonomous detection and capture techniques that may be used to remove space debris and service satellites in low Earth orbit.
Astronaut Suni Williams monitors an Astrobee robotic free-flyer
iss072e422431 (Dec. 27, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams wears a virtual reality headset and practices emergency maneuvers a spacewalker would use in the unlikely event they became untethered from the International Space Station. During spacewalks astronauts wear U.S. spacesuits with a jetpack installed called a SAFER, or Simplified Aid for EVA (Extra Vehicular Activity) Rescue, that contains a controller and thrusters used to guide a crew member back to the safety of the orbital outpost.
Astronaut Suni Williams wears a virtual reality headset during spacewalk training
iss072e308314 (Dec. 2, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams swaps a hard drive inside the Advanced Space Experiment Processor-4 (ADSEP-4). ADESP-4 is a research facility that processes samples for numerous types of experiments supporting biology and physics research aboard the International Space Station, the SpaceX Dragon cargo spacecraft, and the Northrop Grumman Cygnus resupply ship.
Astronaut Suni Williams swaps a hard drive inside a sample processor
iss072e363182 (Dec. 13, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams assembles the European Materials Ageing experiment hardware for installation inside the Nanoracks Bishop airlock. The external investigation will be robotically removed from Bishop, installed on the Bartolomeo research platform attached to the outside of the Columbus laboratory module, and expose a variety of materials to the vacuum of space for about a year.
Astronaut Suni Williams assembles the European Materials Ageing experiment
iss072e363226 (Dec. 13, 2024) --- NASA astronauts Suni Williams and Nick Hague, Expedition 72 Commander and Flight Engineer respectively, install the European Materials Ageing experiment hardware inside the Nanoracks Bishop airlock. The external investigation will be robotically removed from Bishop, installed on the Bartolomeo research platform attached to the outside of the Columbus laboratory module, and expose a variety of materials to the vacuum of space for about a year.
Astronauts Suni Williams and Nick Hague install the European Materials Ageing experiment
iss072e422426 (Dec. 27, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams wears a virtual reality headset and practices emergency maneuvers a spacewalker would use in the unlikely event they became untethered from the International Space Station. During spacewalks astronauts wear U.S. spacesuits with a jetpack installed called a SAFER, or Simplified Aid for EVA (Extra Vehicular Activity) Rescue, that contains a controller and thrusters used to guide a crew member back to the safety of the orbital outpost.
Astronaut Suni Williams wears a virtual reality headset during spacewalk training
iss072e593606 (Feb. 4, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams monitors an Astrobee robotic free-flyer outfitted with tentacle-like arms containing gecko-like adhesive pads as it grapples a "capture cube." The toaster sized Astrobee, with the experimental grippers attached, demonstrated autonomous detection and capture techniques that may be used to remove space debris and service satellites in low Earth orbit.
Astronaut Suni Williams monitors an Astrobee robotic free-flyer
iss072e488176 (Jan. 16, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams (center) is dwarfed near the SpaceX Dragon crew spacecraft as she replaces a planar reflector, advanced navigational hardware visiting vehicles use when approaching the International Space Station. Dragon is docked to the Harmony module's space-facing port which rests in between the Kibo and Columbus laboratory modules. 263 miles below is the Atlantic Ocean near the coast of Brazil.
Astronaut Suni Williams is dwarfed near the SpaceX Dragon crew spacecraft
iss072e575164 (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams' camera is reflected in her spacesuit helmet's visor as she points it toward herself and takes an out-of-this-world "space-selfie" during a five-hour and 26-minute spacewalk. The International Space Station was orbiting 263 miles above the Pacific Ocean at the time of this photograph.
Astronaut Suni Williams' camera is reflected in her spacesuit helmet's visor
iss072e363105 (Dec. 13, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams photographs the European Materials Ageing (EMA) experiment hardware beng set up inside the International Space Station's Harmony module. EMA contains a variety of samples that will be exposed to the space environment to learn how to improve the development of space hardware and applications for missions to the Moon, Mars, and beyond. The external investigation will operate outside the Columbus laboratory module for about a year.
Astronaut Suni Williams photographs the European Materials Ageing experiment hardware
iss072e488017 (Jan. 16, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams (center) is dwarfed near the SpaceX Dragon crew spacecraft as she replaces a planar reflector, advanced navigational hardware visiting vehicles use when approaching the International Space Station. Dragon is docked to the Harmony module's space-facing port which rests in between the Kibo and Columbus laboratory modules. 267 miles below is the Pacific Ocean east of New Zealand.
Astronaut Suni Williams is dwarfed near the SpaceX Dragon crew spacecraft
iss072e616432 (Feb. 11, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams displays production packs containing geneticallly engineered yeast and edible media for incubation to activate yeast growth. The BioNutrients investigation explores using the engineered yeast to produce on-demand nutrients and avoid vitamin deficiencies for crews on long-term missions. The samples are later frozen then returned to Earth to analyze their ability promote crew health and improve the preservation of probiotics.
Astronaut Suni Williams displays production packs containing geneticallly engineered yeast
iss072e363243 (Dec. 13, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams installs the European Materials Ageing experiment hardware inside the Nanoracks Bishop airlock. The external investigation will be robotically removed from Bishop, installed on the Bartolomeo research platform attached to the outside of the Columbus laboratory module, and expose a variety of materials to the vacuum of space for about a year.
Astronaut Suni Williams installs the European Materials Ageing experiment
iss072e574847 (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams works outside the International Space Station during a five-hour and 26-minute spacewalk to remove and stow a radio frequency group antenna assembly. In the left foreground, is the latching end effector of the Canadarm2 robotic arm. The orbital outpost was soaring 267 miles above New Zealand at the time of this photograph.
Astronaut Suni Williams works outside the International Space Station
iss072e189028 (Nov. 15, 2024) --- NASA astronaut and Expedition 72 Commander Suni Williams checks out the Astrobee robotic free-flyer in the Kibo laboratory module outfitted with tentacle-like arms containing gecko-like adhesive pads to demonstrate satellite capture techniques. Development of this robotic technology may increase the life span of satellites and enable the removal of space debris.
Astronaut Suni Williams checks out the Astrobee robotic free-flyer
iss072e616384 (Feb. 11, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams measures her mass using a specialized device inside the International Space Station's Zvezda service module. The mass measurement device applies a known force to an attached astronaut and measures the resulting acceleration to acquire the crew member's mass. The result is based on a form of Newton's Second Law of Motion.
Astronaut Suni Williams measures her mass using a specialized device
iss072e574914 (Jan. 30, 2025) --- NASA astronaut and Expedition 72 Commander Suni Williams works outside the International Space Station during a five-hour and 26-minute spacewalk to remove and stow a radio frequency group antenna assembly. In the left foreground, is the latching end effector of the Canadarm2 robotic arm. The orbital outpost was soaring 258 miles above the Pacific Ocean near the coast of Mexico at the time of this photograph.
Astronaut Suni Williams works outside the International Space Station
NASA astronaut Suni Williams stops to pose for photograph as she exits the Boeing Mockup Trainer at NASA’s Johnson Space Center in Houston, Texas on Aug. 2, 2018 ahead of the commercial crew flight assignments announcement Aug. 3. Williams and NASA astronaut Josh Cassada were assigned to launch aboard Boeing’s CST-100 Starliner on the company’s first operational mission to the International Space Station in partnership with NASA’s Commercial Crew Program. Photo Credit: (NASA/Bill Ingalls)
Commercial Crew Program
NASA astronauts, Butch Wilmore, left, Nick Hague, and Suni Williams, right, speak with Ambassador of India to the United States H.E. Mr. Vinay Kwatra, Monday, Sept. 15, 2025, at residence of the Ambassador in Washington. Williams, Hague and Wilmore served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew attend event at Indian Ambassadors’ Residen
NASA astronauts, Butch Wilmore, Nick Hague, and Suni Williams, speak with Ambassador of India to the United States H.E. Mr. Vinay Kwatra, right, Monday, Sept. 15, 2025, at residence of the Ambassador in Washington. Williams, Hague and Wilmore served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew attend event at Indian Ambassadors’ Residen
NASA astronauts, Butch Wilmore, left, Nick Hague, and Suni Williams, right, speak with Ambassador of India to the United States H.E. Mr. Vinay Kwatra, Monday, Sept. 15, 2025, at residence of the Ambassador in Washington. Williams, Hague and Wilmore served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew attend event at Indian Ambassadors’ Residen
NASA astronauts, Butch Wilmore, left, Nick Hague, and Suni Williams, right, speak with Ambassador of India to the United States H.E. Mr. Vinay Kwatra, Monday, Sept. 15, 2025, at residence of the Ambassador in Washington. Williams, Hague and Wilmore served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew attend event at Indian Ambassadors’ Residen
NASA astronauts, Butch Wilmore, left, Nick Hague, and Suni Williams, right, speak with Ambassador of India to the United States H.E. Mr. Vinay Kwatra, Monday, Sept. 15, 2025, at residence of the Ambassador Washington. Williams, Hague and Wilmore served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew attend event at Indian Ambassadors’ Residen
NASA astronaut Suni Williams, left, speaks with NASA Deputy Associate Administrator Casey Swails during a panel discussion, Monday, Sept. 15, 2025, at residence of the Ambassador of India in Washington. Williams, and fellow NASA astronauts Nick Hague and Butch Wilmore served as part of Expedition 72 onboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)
Expedition 72 Crew Visit to Indian Embassy in Washington
NASA astronaut Suni Williams speaks with employees of Boeing, Wednesday, Sept. 17, 2025, at the company’s headquarters in Arlington, Va. Williams and Butch Wilmore launched aboard Boeing’s Starliner spacecraft to the International Space Station as part of the agency’s Boeing Crew Flight Test and were integrated into Expedition 71/72 following the uncrewed return of Starliner. The pair returned to Earth with NASA’s SpaceX Crew 9 astronauts.  Photo Credit: (NASA/Joel Kowsky)
NASA Astronauts Wilmore and Williams at Boeing Headquarters
NASA astronaut Suni Williams signs an Expedition 72 sticker following a panel discussion at the Embassy of Slovenia,  Wednesday, Sept. 17, 2025, in Washington. Williams, and fellow NASA astronauts Nick Hague, Butch Wilmore, and Don Pettit served as part of Expedition 72 onboard the International Space Station.  Photo Credit: (NASA/Joel Kowsky)
Expedition 72 Astronauts at the Embassy of Slovenia
NASA astronaut Suni Williams speaks about her time onboard the International Space Station as part of Expedition 72, Wednesday, Sept. 17, 2025, during an employee engagement event at the Mary W. Jackson NASA Headquarters building in Washington. Nick Hague, Suni Williams, Butch Wilmore, and Don Pettit served as part of Expedition 72 onboard the orbiting laboratory. Photo Credit: (NASA/Aubrey Gemignani)
Expedition 72 Employee Engagement Event
PHOTO DATE: 09-16-11  LOCATION: NBL - Pool Topside    SUBJECT: Expedition 31 crew members Suni Williams and Aki Hoshide conduct pre-test briefings, preparations and then suit up for EVA training before entering the pool at the Sonny Carter Training Facility. PHOTOGRAPHER: Devin Boldt
Expedition 32 crew members Suni Williams and Aki Hoshide conduct pre-test briefings
PHOTO DATE: 09-16-11  LOCATION: NBL - Pool Topside    SUBJECT: Expedition 31 crew members Suni Williams and Aki Hoshide conduct pre-test briefings, preparations and then suit up for EVA training before entering the pool at the Sonny Carter Training Facility. PHOTOGRAPHER: Devin Boldt
Expedition 32 crew members Suni Williams and Aki Hoshide conduct pre-test briefings
PHOTO DATE: 09-16-11  LOCATION: NBL - Pool Topside    SUBJECT: Expedition 31 crew members Suni Williams and Aki Hoshide conduct pre-test briefings, preparations and then suit up for EVA training before entering the pool at the Sonny Carter Training Facility. PHOTOGRAPHER: Devin Boldt
Expedition 32 crew members Suni Williams and Aki Hoshide conduct pre-test briefings
PHOTO DATE: 09-16-11  LOCATION: NBL - Pool Topside    SUBJECT: Expedition 31 crew members Suni Williams and Aki Hoshide conduct pre-test briefings, preparations and then suit up for EVA training before entering the pool at the Sonny Carter Training Facility. PHOTOGRAPHER: Devin Boldt
Expedition 32 crew members Suni Williams and Aki Hoshide conduct pre-test briefings
PHOTO DATE: 09-16-11  LOCATION: NBL - Pool Topside    SUBJECT: Expedition 31 crew members Suni Williams and Aki Hoshide conduct pre-test briefings, preparations and then suit up for EVA training before entering the pool at the Sonny Carter Training Facility. PHOTOGRAPHER: Devin Boldt
Expedition 32 crew members Suni Williams and Aki Hoshide conduct pre-test briefings