Portrait of Dr. William H. Michael, Jr.

NASA Associate Administrator for Space Operations William Gerstenmaier responds to questions during the fiscal year 2007 news conference, Monday, Feb. 6, 2006, at NASA Headquarters in Washington. NASA Administrator Michael Griffin, background right, was joined by the heads of NASA's four mission directorates to explain how the proposed $16.8 billion dollar budget supports the Vision for Space Exploration. The budget represents a 3.2% increase above the fiscal year 2006 appropriated budget. Photo Credit: (NASA/Bill Ingalls)

Jeffrey N. Williams, Expedition 13 Science Officer and Flight Engineer, talking with Michael Baker of NASA after the crew's final check of the Soyuz at building 254 of the Baikonur Cosmodrome in Baikonur, Kazakhstan. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

Astronaut Michael Foale (center) and Stennis Space Center officials met with Mississippi House of Representatives Gulf Coast delegation, including Speaker William 'Billy' McCoy (far right), during NASA Space Day in Mississippi on January 30.

NASA Administrator Michael Griffin, left, meets with CEO of SpaceX Elon Musk, right, Wednesday, April 20, 2005 at NASA Headquarters in Washington. Looking on in the background are Larry Williams, NASA astronaut Marsha Ivins and NASA manager Christopher Shank. Photo Credit: (NASA/Renee Bouchard)

Expedition 19 Flight Engineer Michael R. Barratt, left, and backup commander Jeffrey Williams are seen in quarantine behind glass during a press conference on Wednesday, March 25, 2009 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Astronaut Michael Good, Astronaut Sunita Williams prepare for the Run To The Moon Race during the Summer Moon Festival, Wapakoneta, Ohio, Apollo 11 Moon Landing 50th Anniversary

Astronaut Sunita WIlliams, left, talks with Expedition 20 Flight Engineer Michael Barratt onboard a helicopter shortly after shortly after he and Expedition 20 Commander Gennady Padalka, and spaceflight participant Guy Laliberté landed their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Expedition 13 Science Officer and Flight Engineer Jeffrey N. Williams, center, talks with backup crew member Michael Fincke, left, during training at building 254 of the Baikonur Cosmodrome in Baikonur, Kazakhstan. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

Expedition 19 Flight Engineer Michael R. Barratt, left, laughs with backup commander Jeffrey Williams in the suit up room of building 254, Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

Expedition 19 Flight Engineer Michael R. Barratt, left, waves hello to family and colleagues with backup commander Jeffrey Williams in the suit up room of building 254, Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

NASA Administrator Michael Griffin, second from left, and Associate Administrator for Space Operations William Gerstenmaier, right, look on as Space Shuttle Program Manager Wayne Hale speaks from NASA's Marshall Space Flight Center during a media briefing about the space shuttle program and processing for the STS-121 mission, Friday, April 28, 2006, at NASA Headquarters in Washington. Moderator Dean Acosta looks on af far left. Photo Credit (NASA/Bill Ingalls)

NASA Administrator Michael Griffin, left, looks on as Associate Administrator for Space Operations William Gerstenmaier, right, speaks while Space Shuttle Program Manager Wayne Hale of NASA's Marshall Space Flight Center waits by during a media briefing about the space shuttle program and processing for the STS-121 mission, Friday, April 28, 2006, at NASA Headquarters in Washington. Photo Credit (NASA/Bill Ingalls)

NASA Administrator Michael Griffin, left, and Associate Administrator for Space Operations William Gerstenmaier, right, smile as Space Shuttle Program Manager Wayne Hale, right on television screen, and Ken Welzyn, External Tank Chief Engineer, join in from NASA's Marshall Space Flight Center during a media briefing about the space shuttle program and processing for the STS-121 mission, Friday, April 28, 2006, at NASA Headquarters in Washington. Photo Credit (NASA/Bill Ingalls)

Spaceflight Participant Charles Simonyi, left, Expedition 19 Commander Gennady I. Padalka, Flight Engineer Michael R. Barratt, third from left, backup Expedition 19 flight engineer Maxim Suraev, backup commander Jeffrey Williams and backup spaceflight participant Esther Dyson, far right, answer questions from behind glass during a press conference on Wednesday, March 25, 2009 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Michael Griffin, left, and Associate Administrator for Space Operations William Gerstenmaier, right, look on as Space Shuttle Program Manager Wayne Hale talks from NASA's Marshall Space Flight Center about the space shuttle's ice frost ramps during a media briefing about the space shuttle program and processing for the STS-121 mission, Friday, April 28, 2006, at NASA Headquarters in Washington. Photo Credit (NASA/Bill Ingalls)

NASA Administrator Michael Griffin, left, and Associate Administrator for Space Operations William Gerstenmaier, right, look on as Space Shuttle Program Manager Wayne Hale speaks from NASA's Marshall Space Flight Center during a media briefing about the space shuttle program and processing for the STS-121 mission, Friday, April 28, 2006, at NASA Headquarters in Washington. At left on screen is Ken Welzyn, External Tank Chief Engineer. Photo Credit (NASA/Bill Ingalls)

Miles O'Brien, science correspondant for PBS NewsHour, left, leads a panel discussion on Mars exploration with William Gerstenmaier, NASA Associatate Administrator for Human Explorations and Operations, center, and Michael Gazarik, NASA Associate Administrator for Space Technology, left, at the Humans to Mars Summit on April 22, 2014 at George Washington University in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Michael Griffin, left, and Associate Administrator for Space Operations William Gerstenmaier, right, look on as Space Shuttle Program Manager Wayne Hale from NASA's Marshall Space Flight Center, holds a test configuration of an ice frost ramp during a media briefing about the space shuttle program and processing for the STS-121 mission, Friday, April 28, 2006, at NASA Headquarters in Washington. Photo Credit (NASA/Bill Ingalls)

Queen Elizabeth II, lower right, talks to Expedition 15 crew members from left, NASA astronaut, Sunita Williams, Russian cosmonaut Fyodor N. Yurchikhin and cosmonaut Oleg V. Kotov aboard the International Space Station crew along with NASA Administrator Michael Griffin, lower left and NASA astronaut Michael Foale during a downlink at the NASA's Goddard Space Flight Center Operational Control Room, Tuesday, May 8, 2007, in Greenbelt, Md. NASA Goddard was one of the last stops on the Queen's six-day visit to the United States. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Michael Griffin outlines the President's budget for fiscal year 2007 during a news conference, Monday, Feb. 6, 2006, at NASA Headquarters in Washington. Griffin was joined by the heads of NASA's four mission directorates to explain how the proposed $16.8 billion dollar budget supports the Vision for Space Exploration. Seated left to right: Scott Horowitz, NASA Associate Administrator for Exploration Systems, William Gerstenmaier, NASA Associate Administrator for Space Operations, Lisa Porter, NASA Associate Administrator for Aeronautics Research and Mary Cleave, NASA Associate Administrator for Science. Photo Credit: (NASA/Bill Ingalls)

20th Anniversary of the First Lunar Landing Colloquium held at Langley. William H. Michael Jr. (center) reviews the evolution of his parking orbit concept with Clinton E. Brown (right) head of the Lunar Exploration Working Group and Arthur Vogeley (left) mastermind of Langley's rendezvous and docking simulators of the 1960's.

Expedition 13 backup crew member Michael Fincke, left, Jeffrey N. Williams, Expedition 13 Science Officer and Flight Engineer, and Pavel V. Vinogradov, right, Commander, go over final review of Soyuz equipment at building 254 of the Baikonur Cosmodrome in Baikonur, Kazakhstan days before their launch to the International Space Station. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

Expedition 20 Flight Engineer Michael Barratt rests in a chair and is checked by medical personnel shortly after he and Spaceflight participant Guy Laliberté, and Expedition 20 Commander Gennady Padalka landed in their Soyuz TMA-14 capsule near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

Spaceflight Participant Charles Simonyi, seated left, Expedition 19 Commander Gennady I. Padalka, seated center, Flight Engineer Michael R. Barratt, seated right, backup spaceflight participant Esther Dyson, standing left, backup Expedition 19 flight engineer Maxim Suraev, standing center, and backup commander Jeffrey Williams are seen in the suit up room at building 254 on Thursday, March 26, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Marcos Pontes, left, Brazilian Space Agency Soyuz crew member; Michael Fincke, backup crew member; Jeffrey N. Williams, Expedition 13 Science Officer and Flight Engineer; and Pavel V. Vinogradov, right, Commander, train at building 254 of the Baikonur Cosmodrome in Baikonur, Kazakhstan days before launch to the International Space Station. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

Spaceflight Participant Charles Simonyi, seated left, Expedition 19 Commander Gennady I. Padalka, seated center, Flight Engineer Michael R. Barratt, seated right, backup spaceflight participant Esther Dyson, standing left, backup Expedition 19 flight engineer Maxim Suraev, standing center, and backup commander Jeffrey Williams prepare to talk with space agency officials prior to the launch on Thursday, March 26, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Spaceflight Participant Charles Simonyi, seated foreground, Expedition 19 Commander Gennady I. Padalka, seated center, Flight Engineer Michael R. Barratt, seated background, backup spaceflight participant Esther Dyson, standing foreground, backup Expedition 19 flight engineer Maxim Suraev, standing center, and backup commander Jeffrey Williams prepare to talk with space agency officials prior to the launch on Thursday, March 26, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Expedition 19 backup commander Jeffrey Williams, left, NASA Flight Surgeon Ed Powers, M.D., 2nd from left, talk with Expedition 19 Flight Engineer Michael R. Barratt, far right, as he and fellow crew member Expedition 19 Commander Gennady I. Padalka don their Sokol flights suits in preparation for their Soyuz launch to the International Space Station with Spaceflight Participant Charles Simonyi on Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

Expedition 19 prime and backup crew from left, backup Spaceflight Participant Esther Dyson, Flight Engineer Michael R. Barratt, Backup Commander Jeffrey Williams, Commander Gennady I. Padalka, backup Flight Engineer Maxim Suraev and Spaceflight Participant Charles Simonyi look at teh view from the Cosmonaut Hotel, Saturday, March 21, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

Spaceflight Participant Charles Simonyi, left, Expedition 19 Commander Gennady I. Padalka, Flight Engineer Michael R. Barratt, third from left, backup Expedition 19 flight engineer Maxim Suraev, backup commander Jeffrey Williams and backup spaceflight participant Esther Dyson, far right, are seen in quarantine behind glass during the State Commission meeting on Wednesday, March 25, 2009 in Baikonur, Kazakhstan. Photo Credit: (NASA/Bill Ingalls)

Prime and backup crew members for the Expedition 13 mission talk with officials at building 254 of the Baikonur Cosmodrome during their final check of the Soyuz spacecraft. Backup crew members, left to right, Fyodor N. Yurchikhin, Commander; Michael Fincke, NASA International Space Station Science Officer and Flight Engineer; and prime crew members Jeffrey N. Williams, NASA International Space Station Science Officer and Flight Engineer; Pavel V. Vinogradov, Commander; and Marcos Pontes, Brazilian Space Agency Soyuz crew member. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden, far right, gives keynote remarks at the NASA Education Stakeholders’ Summit One Stop Shopping Initiative (OSSI), Monday, Sep. 13, 2010, at the Westfields Marriott Conference Center in Chantilly, VA. Administrator Bolden is joined on the panel from left to right by Leland Melvin, Education Design Team Co-Chair and NASA Astronaut; William Kelly, Manager, Public Affairs, American Society for Engineering Education; Michael Lach, Special Assistant for STEM Education, U.S. Department of Education; Cora Marrett, Acting Director, National Science Foundation; and James Stofan, NASA Acting Associate Administrator for Education. (Photo Credit: NASA/Carla Cioffi)

NASA Administrator Charles Bolden, far right, gives keynote remarks at the NASA Education Stakeholders’ Summit One Stop Shopping Initiative (OSSI), Monday, Sep. 13, 2010, at the Westfields Marriott Conference Center in Chantilly, VA. Administrator Bolden is joined on the panel from left to right by Leland Melvin, Education Design Team Co-Chair and NASA Astronaut; William Kelly, Manager, Public Affairs, American Society for Engineering Education; Michael Lach, Special Assistant for STEM Education, U.S. Department of Education; Cora Marrett, Acting Director, National Science Foundation; and James Stofan, NASA Acting Associate Administrator for Education. (Photo Credit: NASA/Carla Cioffi)

NASA astronauts Eric Boe, Josh Cassada, Suni Williams, Nicole Mann, and Michael Fincke pose for a picture after a United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard was rollout out to the launch pad at Space Launch Complex 41 ahead of the Orbital Flight Test mission, Wednesday, Dec. 18, 2019 at Cape Canaveral Air Force Station in Florida. Mann, Fincke, and Boeing Astronaut Chris Ferguson are assigned to fly on Starliner’s Crew Flight test and Williams and Cassada are assigned to the first operational mission of the spacecraft. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:26 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

NASA astronauts Nicole Mann, Michael Fincke, Suni Williams, Josh Cassada, and Eric Boe pose for a picture after a United Launch Alliance Atlas V rocket with Boeing’s CST-100 Starliner spacecraft onboard was rollout out to the launch pad at Space Launch Complex 41 ahead of the Orbital Flight Test mission, Wednesday, Dec. 18, 2019 at Cape Canaveral Air Force Station in Florida. Mann, Fincke, and Boeing Astronaut Chris Ferguson are assigned to fly on Starliner’s Crew Flight test, Williams and Cassada are assigned to the first operational mission of the spacecraft, and Boe is the assistant to the chief of the astronaut office for commercial crew. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:26 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

Prime and backup crew members for the Expedition 13 mission talk with officials at building 254 of the Baikonur Cosmodrome during their final check of the Soyuz spacecraft. Backup crew members, left to right, Sergei Volkov, Fyodor N. Yurchikhin, Commander; Michael Fincke, NASA International Space Station Science Officer and Flight Engineer; and prime crew members Jeffrey N. Williams, NASA International Space Station Science Officer and Flight Engineer; Pavel V. Vinogradov, Commander; and Marcos Pontes, Brazilian Space Agency Soyuz crew member. Sunday, March 26, 2006. Photo Credit: (NASA/Bill Ingalls)

Col. Michael Hough, Commander 30th Space Wing, Vandenberg Air Force Base, left, and 1st Lieutenant Kristina Williams, weather officer, 30th Space Wing, Vandenberg Air Force Base, discuss NASA's InSight mission during a prelaunch media briefing, Thursday, May 3, 2018, at Vandenberg Air Force Base in California. InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is a Mars lander designed to study the "inner space" of Mars: its crust, mantle, and core. Photo Credit: (NASA/Bill Ingalls)

KENNEDY SPACE CENTER, FLA. -- NASA Associate Administrator for Space Flight William F. Readdy addresses the family members of the STS-107 astronauts, other dignitaries, members of the university community and the public gathered for the dedication ceremony of the Columbia Village at the Florida Institute of Technology in Melbourne, Fla. Each of the seven new residence halls in the complex is named for one of the STS-107 astronauts who perished during the Columbia accident -- Rick Husband, Willie McCool, Laurel Clark, Michael Anderson, David Brown, Kalpana Chawla, and Ilan Ramon.

KENNEDY SPACE CENTER, FLA. -- From left, NASA Deputy Associate Administrator for Space Station and Shuttle Programs Michael Kostelnik and NASA Space Shuttle Program Manager William Parsons each don an Emergency Life Support Apparatus (ELSA) during training on the proper use of the escape devices. NASA and United Space Alliance (USA) Space Shuttle program management are participating in a leadership workday. The day is intended to provide management with an in-depth, hands-on look at Shuttle processing activities at KSC.

KENNEDY SPACE CENTER, FLA. -- From left, NASA Deputy Associate Administrator for Space Station and Shuttle Programs Michael Kostelnik, United Space Alliance (USA) Director of Orbiter Operations Patty Stratton, and NASA Space Shuttle Program Manager William Parsons view the underside of Shuttle Discovery in Orbiter Processing Facility Bay 3. NASA and USA Space Shuttle program management are participating in a leadership workday. The day is intended to provide management with an in-depth, hands-on look at Shuttle processing activities at KSC.

KENNEDY SPACE CENTER, FLA. -- From front row left, NASA Deputy Associate Administrator for Space Station and Shuttle Programs Michael Kostelnik and NASA Space Shuttle Program Manager William Parsons are trained on the proper use of the Emergency Life Support Apparatus (ELSA). NASA and United Space Alliance (USA) Space Shuttle program management are participating in a leadership workday. The day is intended to provide management with an in-depth, hands-on look at Shuttle processing activities at KSC.

NASA Administrator Jim Bridenstine, NASA Deputy Administrator Jim Morhard, Kennedy Space Center Director Bob Cabana, and NASA Astronauts Josh Cassada and Suni Williams, who are assigned to Boeing’s first operation flight of Starliner, and NASA astronauts Nicole Mann, Michael Fincke, and Boeing astronaut Chris Ferguson, who are assigned to Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019, at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine, NASA Deputy Administrator Jim Morhard, Kennedy Space Center Director Bob Cabana, and NASA Astronauts Josh Cassada and Suni Williams, who are assigned to Boeing’s first operation flight of Starliner, and NASA astronauts Nicole Mann, Michael Fincke, and Boeing astronaut Chris Ferguson, who are assigned to Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019 at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine, NASA Deputy Administrator Jim Morhard, Kennedy Space Center Director Bob Cabana, and NASA Astronauts Josh Cassada and Suni Williams, who are assigned to Boeing’s first operation flight of Starliner, and NASA astronauts Nicole Mann, Michael Fincke, and Boeing astronaut Chris Ferguson, who are assigned to Boeing’s Crew Flight Test, are seen during a press conference ahead of the Boeing Orbital Flight Test mission, Thursday, Dec. 19, 2019, at NASA’s Kennedy Space Center in Florida. The uncrewed Orbital Flight Test will be Starliner’s maiden mission to the International Space Station for NASA's Commercial Crew Program. The mission, currently targeted for a 6:36 a.m. EST launch on Dec. 20, will serve as an end-to-end test of the system's capabilities. Photo Credit: (NASA/Joel Kowsky)

KENNEDY SPACE CENTER, FLA. - Space Shuttle managers take questions from the media during a press conference held following the conclusion of the Flight Readiness Review for Space Shuttle Discovery's Return to Flight mission STS-114. From left are NASA's Administrator Michael Griffin, Associate Administrator for Space Operations William Readdy, Space Shuttle Program Manager William Parsons, and Space Shuttle Launch Director Michael Leinbach. A July 13 launch date was approved for the 12-day mission during which Discovery’s seven-person crew will test new hardware and techniques to improve Shuttle safety, as well as deliver supplies to the International Space Station.

ISS014-E-13463 (8 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 6-hour, 40-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander, completed tasks that will allow for the attachment of a cargo platform during the STS-118 mission this summer and relocation of the P6 truss during STS-120 later this year.

ISS014-E-13458 (8 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 6-hour, 40-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander, completed tasks that will allow for the attachment of a cargo platform during the STS-118 mission this summer and relocation of the P6 truss during STS-120 later this year.

ISS014-E-13442 (8 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 6-hour, 40-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander, completed tasks that will allow for the attachment of a cargo platform during the STS-118 mission this summer and relocation of the P6 truss during STS-120 later this year.

ISS014-E-18986 (5 April 2007) --- Astronauts Michael E. Lopez-Alegria (right), Expedition 14 commander and NASA space station science officer, and Sunita L. Williams, flight engineer, work with water tanks in the Progress 24 spacecraft docked to the International Space Station.

Date: 6-24-09 Location: Bldg 9NW - Node 1 Training Area Subject: Expedition 21 astronauts Jeff Williams and Nicole Scott during new Vestibule Procedures training with instructor Michael Steele. Photographer: Lauren Harnett

STS118-S-076 (21 Aug. 2007) --- NASA Administrator Michael Griffin (right), and NASA Associate Administrator for Space Operations William Gerstenmaier watch as the space shuttle Endeavour touches down Aug. 21, 2007, at the Kennedy Space Center, Florida, concluding STS-118. Photo Credit: NASA/Bill Ingalls

JSC2008-E-008417 (29 Jan. 2008) --- Astronaut Michael T. Good (left), STS-125 mission specialist, participates in a training session in the Space Vehicle Mockup Facility at the Johnson Space Center. United Space Alliance (USA) instructor David L. Williams (center) assisted Good.

KENNEDY SPACE CENTER, FLA. -- NASA and United Space Alliance (USA) Space Shuttle program managers attend a briefing, part of activities during a leadership workday. The day is intended to provide management with an in-depth, hands-on look at Shuttle processing activities at KSC. Starting third from left are NASA Deputy Associate Administrator for Space Station and Shuttle Programs Michael Kostelnik, USA Vice President and Space Shuttle Program Manager Howard DeCastro, NASA Space Shuttle Program Manager William Parsons, and USA Associate Program Manager of Ground Operations Andy Allen.

ISS014-E-18764 (29 March 2007) --- Astronaut Sunita L. Williams (left), Expedition 14 flight engineer, and cosmonaut Mikhail Tyurin, Soyuz commander and flight engineer, occupy their seats in the Soyuz 13 (TMA-9) spacecraft docked to the International Space Station. Attired in their Russian Sokol launch and entry suits, Tyurin, Williams and astronaut Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, were about to relocate the Soyuz from the Zarya Module nadir port to the Zvezda Service Module aft port in preparation for the arrival of Expedition 15.

ISS014-E-13301 (4 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the second of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, reconfigured the second of two cooling loops for the Destiny laboratory module, secured the aft radiator of the P6 truss after retraction and prepared the obsolete Early Ammonia Servicer (EAS) for removal this summer.

ISS014-E-13061 (31 Jan. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the first of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 7-hour 55-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, reconfigured one of two cooling loops for the Destiny laboratory module, rearranged electrical connections and secured the starboard radiator of the P6 truss after retraction.

ISS014-E-13344 (4 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the second of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, reconfigured the second of two cooling loops for the Destiny laboratory module, secured the aft radiator of the P6 truss after retraction and prepared the obsolete Early Ammonia Servicer (EAS) for removal this summer.

ISS014-E-13328 (4 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, uses a digital still camera to expose a photo of her helmet visor during today's session of extravehicular activity (EVA) as construction continues on the International Space Station. During the spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, reconfigured the second of two cooling loops for the Destiny laboratory module, secured the aft radiator of the P6 truss after retraction and prepared the obsolete Early Ammonia Servicer (EAS) for removal this summer.

ISS014-E-13481 (8 Feb. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, uses a digital still camera during the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 6-hour, 40-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, completed tasks that will allow for the attachment of a cargo platform during the STS-118 mission this summer and relocation of the P6 truss during STS-120 later this year.

ISS014-E-13053 (31 Jan. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the first of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 7-hour 55-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, reconfigured one of two cooling loops for the Destiny laboratory module, rearranged electrical connections and secured the starboard radiator of the P6 truss after retraction.

S63-18765 (October 1963) --- These fourteen pilots have been assigned to begin training for astronaut positions with the National Aeronautics and Space Administration (NASA). Front row, from the left, Edwin E. Aldrin Jr., William A. Anders, Charles A. Bassett II, Alan L. Bean, Eugene A. Cernan and Roger B. Chaffee. Back row, from the left, Michael Collins, Walter Cunningham, Donn F. Eisele, Theodore C. Freeman, Richard F. Gordon Jr., Russell L. Scweickart, David R. Scott and Clifton C. Williams Jr. Photo credit: NASA or National Aeronautics and Space Administration

ISS014-E-13068 (31 Jan. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, participates in the first of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 7-hour 55-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, reconfigured one of two cooling loops for the Destiny laboratory module, rearranged electrical connections and secured the starboard radiator of the P6 truss after retraction.

ISS014-E-13070 (31 Jan. 2007) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, uses a pistol grip tool (PGT) as she participates in the first of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station. During the 7-hour 55-minute spacewalk, Williams and Michael E. Lopez-Alegria (out of frame), commander and NASA space station science officer, reconfigured one of two cooling loops for the Destiny laboratory module, rearranged electrical connections and secured the starboard radiator of the P6 truss after retraction.

NASA Ames Robotics Academy Interns at the Lunar Science Institute (LSI) building 17 Interns: David Black, Michael Zwach, Guy Chriqui, Mark Mordarski Jr., Katy Levinson, Daniela Buchman, Scott Strutner, Patrick Crownover, Neil Bhateja, Michael Buchman, John Mueller, Michelle Grau, Ben Silver, Jacques Dolan, Alex Golec Windell Jones, Colin Wilson, Joe DeBlasio, Nick Hayes, Jordan Olive, William Shaw, Ames Education Dept., Mark Leon, Ames Robotics, Josh Weiner, jack Biesiadecki, Andrew Pilloud

STS121-S-067 (17 July 2006) --- (left to right) William H. Gerstenmaier, associate administrator for Space Operations; Rex Geveden, associate administrator; and Dr. Michael Griffin, NASA administrator, welcome home STS-121 crewmembers--Steven Lindsey, commander; Mark E. Kelly, pilot; and Michael E. Fossum, mission specialist--after the landing of the Space Shuttle Discovery and conclusion of mission STS-121. The crew of seven tested new equipment and procedures to improve shuttle safety, as well as deliver supplies and make repairs to the International Space Station. Photo Credit: NASA/Bill Ingalls

STS-34 crewmembers leave the Kennedy Space Center (KSC) Operations and Checkout (O&C) Building. Crewmembers will then board a vehicle which will carry them to Launch Complex (LC) Pad 39B. Crewmembers, wearing orange launch and entry suits (LESs), are (left to right) Mission Specialist (MS) Franklin R. Chang-Diaz, MS Shannon W. Lucid, Pilot Michael J. McCulley, Commander Donald E. Williams, and MS Ellen S. Baker. Following the crewmembers are (dark clothing, left to right) Donald R. Puddy, Olan J. Bertrand, and astronaut Michael L. Coats of JSC.

ISS014-S-002A (30 March 2006) --- Astronaut Michael E. Lopez-Alegria (center), Expedition 14 commander and NASA space station science officer; cosmonaut Mikhail Tyurin (right), flight engineer representing Russia's Federal Space Agency; and astronaut Sunita L. Williams, flight engineer, take a break from training at Johnson Space Center to pose for a crew portrait.

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

iss071e047959 (May 2, 2024) --- The SpaceX Dragon Endeavour spacecraft, carrying NASA astronauts Matthew Dominick, Michael Barratt, and Jeanette Epps, as well as Roscosmos cosmonaut Alexander Grebenkin, is pictured after undocking from the Harmony module's forward port on the International Space Station. Shortly afterward, Endeavour relocated to the Harmony's space-facing port opening up the forward port for Boeing's Crew Flight Test and its Starliner spacecraft carrying NASA astronauts Butch Wilmore and Suni Williams.

ISS013-E-84251 (23 Sept. 2006) --- Astronaut Michael E. Lopez-Alegria (foreground), Expedition 14 commander and NASA space station science officer, participates in a familiarization session with the Mobile Service System (MSS) and hands-on experience with the Canadarm2, or Space Station Remote Manipulator System (SSRMS) in the Destiny laboratory of the International Space Station. Astronaut Jeffrey N. Williams, Expedition 13 NASA space station science officer and flight engineer, assisted Lopez-Alegria.

S67-50585 (1967) --- This is an intentional double exposure showing the Apollo Mission Simulator in the Mission Simulation and Training Facility, Building 5 at the Manned Spacecraft Center. In the exterior view astronauts William A. Anders, Michael Collins, and Frank Borman (reading from top of stairs) are about to enter the simulator. The interior view shows the three astronauts in the simulator. They are (left to right) Borman, Collins, and Anders. Photo credit: NASA

JOHNSON SPACE CENTER, HOUSTON, Texas -- (JSC-STS107-5-002) -- The seven STS-107 crew members take a break from their training regimen to pose for the traditional crew portrait. Seated in front are astronauts Rick D. Husband (left), mission commander, and William C. McCool, pilot. Standing are (from left) astronauts David M. Brown, Laurel B. Clark, Kalpana Chawla and Michael P. Anderson, all mission specialists; and Ilan Ramon, payload specialist representing the Israeli Space Agency.

The Most Reverend Michael Curry speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

STS121-S-064 (17 July 2006) --- Dr. Michael Griffin (right), NASA administrator; and William H. Gerstenmaier, associate administrator for Space Operations, inspect the Space Shuttle Discovery after the landing and conclusion of mission STS-121. The crew of seven tested new equipment and procedures to improve shuttle safety, as well as deliver supplies and make repairs to the International Space Station. Photo Credit: NASA/Bill Ingalls

ISS014-E-10585 (28 Dec. 2006) --- Cosmonaut Mikhail Tyurin (left), Expedition 14 flight engineer representing Russia's Federal Space Agency; astronaut Michael E. Lopez-Alegria, commander and NASA space station science officer; and astronaut Sunita L. Williams, flight engineer, conduct a New Year press conference for journalists in the Zvezda Service Module of the International Space Station.

JSC2010-E-014655 (27 Jan. 2010) --- Instructor Troy Williams (standing) briefs the STS-133 crew members during a training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Seated (clockwise) from the left are NASA astronauts Steve Lindsey, commander; Eric Boe, pilot; Nicole Stott, Tim Kopra, Michael Barratt and Alvin Drew, all mission specialists.

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

CAPE CANAVERAL, Fla. – A Senate field hearing held at the Canaveral Port Authority and chaired by Florida Sen. Bill Nelson (third from right on the dais) focuses on workforce related challenges at NASA's Kennedy Space Center and potential solutions to mitigate the transition's effects on the community. The hearing examined issues surrounding the retirement of the space shuttle and the transition to the new Orion/Ares system. At the table representing NASA are Administrator Michael Griffin and Associate Administrator of Space Operations William Gerstenmaier. Photo credit: NASA/Kim Shiflett

ISS014-E-13559 (8 Feb. 2007) --- Astronaut Michael E. Lopez-Alegria, Expedition 14 commander and NASA space station science officer, attired in his Extravehicular Mobility Unit (EMU) spacesuit, is photographed through a window of the Quest Airlock on the interior of the International Space Station. Astronaut Sunita L. Williams (out of frame), flight engineer, and Lopez-Alegria were about to begin the final of three sessions of extravehicular activity (EVA) in nine days, as construction continues on the International Space Station.

STS-34 crewmembers, wearing launch and entry suits (LESs), stand in front of Atlantis, Orbiter Vehicle (OV) 104, on Runway 23 dry lake bed at Edwards Air Force Base (EAFB), California. Left to right are Pilot Michael J. McCulley, Commander Donald E. Williams, Mission Specialist (MS) Ellen S. Baker, MS Franklin R. Chang-Diaz, and MS Shannon W. Lucid. Ground crews service OV-104 in the background.

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

ISS013-E-84390 (27 Sept. 2006) --- Astronauts Jeffrey N. Williams (foreground), Expedition 13 NASA space station science officer and flight engineer, and Michael E. Lopez-Alegria, Expedition 14 commander and NASA space station science officer, work on the fluid servicing system installation in the Destiny laboratory of the International Space Station.

JSC2006-E-46706 (26 Oct. 2006) --- Cosmonaut Pavel V. Vinogradov (left), Expedition 13 commander representing Russia's Federal Space Agency, and astronaut Jeffrey N. Williams, NASA space station science officer and flight engineer, are pictured with floral arrangements in the ballroom of the Gilruth Center at Johnson Space Center (JSC) during the Expedition 13 welcome home ceremony. JSC Director Michael L. Coats is seated at right.

ISS014-E-19545 (17 April 2007) --- Astronauts Michael E. Lopez-Alegria (right), Expedition 14 commander and NASA space station science officer; Sunita L. Williams, flight engineer; and cosmonaut Mikhail Tyurin (left), flight engineer representing Russia's Federal Space Agency, add the Expedition 14 patch to the Unity node's growing collection of insignias representing crews who have lived and worked on the International Space Station.

ISS022-E-099620 (17 March 2010) --- NASA astronaut Jeffrey Williams (right), Expedition 22 commander, presents the Army aviator award of St. Michael to fellow Army officer T.J. Creamer (center), Expedition 22/23 flight engineer, prior to the start of the ceremony of Changing-of-Command from Expedition 22 to Expedition 23. Russian cosmonaut Oleg Kotov, Expedition 22 flight engineer and Expedition 23 commander, holds a microphone at left.

ISS014-E-10242 (25 Dec. 2006) --- Cosmonaut Mikhail Tyurin (left), Expedition 14 flight engineer representing Russia's Federal Space Agency; astronaut Michael E. Lopez-Alegria, commander and NASA space station science officer; and astronaut Sunita L. Williams, flight engineer, conduct a teleconference with the Moscow Support Group for the Russian New Year celebration, via Ku- and S-band, with audio and video relayed to the Mission Control Center at Johnson Space Center.

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

S89-39803 (July 1989) --- These five astronauts have been assigned to fly the Space Shuttle Atlantis for the mission on which the Jupiter probe, Galileo will be deployed. The mission is scheduled for October of this year. Seated, left to right, are mission specialists Shannon W. Lucid, Ph.D.; Franklin Chang-Diaz, Ph.D.; and Ellen S. Baker, M.D. Standing behind the mission specialists are left, Donald E. Williams, commander; and Michael J. McCulley, pilot.

KAZAKHASTAN - The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberte near the town of Arkalyk, Kazakhstan, on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberte who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: NASA/Bill Ingalls

STS-34 Atlantis, Orbiter Vehicle (OV) 104, crewmembers listen to trainer Bill Bowers explain ARRIFLEX camera equipment during briefing at JSC. Across the table from Bowers are (left to right) Pilot Michael J. McCulley, Mission Specialist (MS) Ellen S. Baker, Commander Donald E. Williams, MS Shannon W. Lucid, and MS Franklin R. Chang-Diaz.

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

S116-E-06110 (13 Dec. 2006) --- Astronaut Sunita L. Williams, Expedition 14 flight engineer, works in the Destiny laboratory of the International Space Station. Astronauts Robert L. Curbeam, Jr., STS-116 mission specialist, and Michael E. Lopez-Alegria, Expedition 14 commander and NASA space station science officer, are visible in the background.

iss071e047960 (May 2, 2024) --- The SpaceX Dragon Endeavour spacecraft, carrying NASA astronauts Matthew Dominick, Michael Barratt, and Jeanette Epps, as well as Roscosmos cosmonaut Alexander Grebenkin, is pictured after undocking from the Harmony module's forward port on the International Space Station. Shortly afterward, Endeavour relocated to the Harmony's space-facing port opening up the forward port for Boeing's Crew Flight Test and its Starliner spacecraft carrying NASA astronauts Butch Wilmore and Suni Williams.

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

KAZAKHASTAN - The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberte near the town of Arkalyk, Kazakhstan, on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberte who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: NASA/Bill Ingalls

ISS020-E-046953 (5 Oct. 2009) --- NASA astronauts Michael Barratt (left), Expedition 19/20 flight engineer; and Jeffrey Williams, Expedition 21 flight engineer and Expedition 22 commander; along with spaceflight participant Guy Laliberte (mostly out of frame at right), share a meal at the galley in the Unity node of the International Space Station.

The Most Reverend Michael Curry speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Soyuz TMA-14 spacecraft is seen as it lands with Expedition 20 Commander Gennady Padalka, Flight Engineer Michael Barratt, and spaceflight participant Guy Laliberté near the town of Arkalyk, Kazakhstan on Sunday, Oct. 11, 2009. Padalka and Barratt are returning from six months onboard the International Space Station, along with Laliberté who arrived at the station on Oct. 2 with Expedition 21 Flight Engineers Jeff Williams and Maxim Suraev aboard the Soyuz TMA-16 spacecraft. Photo Credit: (NASA/Bill Ingalls)

ISS022-E-099622 (17 March 2010) --- NASA astronaut Jeffrey Williams (right), Expedition 22 commander, presents the Army aviator award of St. Michael to fellow Army officer T.J. Creamer (center), Expedition 22/23 flight engineer, prior to the start of the ceremony of Changing-of-Command from Expedition 22 to Expedition 23. Russian cosmonaut Oleg Kotov, Expedition 22 flight engineer and Expedition 23 commander, is at left.