Local students watch a video presentation during an event with NASA astronauts Jessica Watkins, Kjell Lindgren, and Robert Hines at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

Local students watch a video presentation during an event with NASA astronauts Jessica Watkins, Kjell Lindgren, and Robert Hines at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Kjell Lindgren, center, and Robert Hines, right, answer questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren speaks with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren speaks with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins answers a question after giving a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Kjell Lindgren speaks with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Kjell Lindgren, center, and Robert Hines, right, answer questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

Kathy Lueders, associate administrator for NASA's Space Operations Mission Directorate, speaks at an employee engagement event with NASA’s SpaceX Crew-4 astronauts, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. NASA astronauts Kjell Lindgren, Robert Hines, and Jessica Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Robert Hines signs autographs for local students following an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Astronaut Kjell Lindgren poses for a photo with a student during a STEM event at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins signs autographs for local students following an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins signs autographs for local students following an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Astronaut Kjell Lindgren poses for a photo with a student during a STEM event at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Kjell Lindgren, center, and Robert Hines, right, answer questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins is seen during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Watkins, and fellow crewmates NASA astronauts Robert Hines and Kjell Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronauts Jessica Watkins, left, and Kjell Lindgren, right, answer questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Kjell Lindgren is seen at an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, NASA astronauts Robert Hines and Jessica Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jessica Watkins tours a biology laboratory after giving a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

A student asks a question after NASA astronaut Jessica Watkins gave a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Robert Hines answers questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren poses for photos with students following a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren speaks with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines pose for a group photo with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Kjell Lindgren, center, and Robert Hines, right, answer questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins is seen in the reflection of a screen on a machine during a tour of a biology laboratory, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Kjell Lindgren greets local students following an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren meets with students and faculty prior to a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Kjell Lindgren, center, and Robert Hines, right, answer questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Spanish Communications Lead María-José Viñas Garcia delivers opening remarks prior to an event with NASA astronauts Jessica Watkins, Kjell Lindgren, and Robert Hines at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines pose for a group photo with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins speaks about her time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Watkins, and fellow crewmates NASA astronauts Robert Hines and Kjell Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Kjell Lindgren speaks with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Kjell Lindgren meets with students and faculty prior to a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren speaks with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

A student asks a question after NASA astronaut Jessica Watkins gave a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jessica Watkins receives an award after giving a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jessica Watkins answers a question after giving a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronauts Jessica Watkins, left, Kjell Lindgren, center, and Robert Hines, right, answer questions from students during an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins gives a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Kjell Lindgren signs autographs for local students following an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Robert Hines answers a question during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Hines, NASA astronauts Kjell Lindgren and Jessica Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jessica Watkins poses for a photo with a student after giving a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Bill Nelson, left, and NASA Astronaut Kjell Lindgren, right, are seen prior to a STEM event at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Deputy Associate Administrator for STEM Engagement Kris Brown delivers opening remarks prior to an event with NASA astronauts Jessica Watkins, Kjell Lindgren, and Robert Hines at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Jessica Watkins speaks about her time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Watkins, and fellow crewmates NASA astronauts Robert Hines and Kjell Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Jessica Watkins signs autographs for local students following an event at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren speaks about his time onboard the International Space Station at an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, NASA astronauts Robert Hines and Jessica Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Kjell Lindgren, left, and Congressman Glenn Ivey (D-Md.), right, meet with students and faculty prior to a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Astronaut Kjell Lindgren delivers remarks during a STEM event with NASA Administrator Bill Nelson and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Robert Hines, center, and Kjell Lindgren, right, speak about their time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Congressman Glenn Ivey (D-Md.) speaks with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Astronaut Kjell Lindgren answers questions from students during a STEM event with NASA Administrator Bill Nelson and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines participate in STEM demonstrations with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

A scale model of NASA’s Space Launch System (SLS) is seen in the foreground during an event with NASA astronauts Jessica Watkins, Robert Hines, and Kjell Lindgren at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, and Robert Hines, right, participate in STEM demonstrations with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Robert Hines, center, and Kjell Lindgren, right, speak about their time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Howard University graduate student LaRay Hare discusses his CubeRover project in the Laser Spectroscopy Laboratory with NASA astronaut Jessica Watkins, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jessica Watkins presents Howard University Professor, Dr. Prabhakar Misra, left, and Howard University Professor and Chair of the Department of Physics and Astronomy, Dr. Quinton Williams, right, with a montage from her time as part of Expeditions 67 and 68 aboard the International Space Station, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Astronaut Kjell Lindgren answers questions from students during a STEM event with NASA Administrator Bill Nelson and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Administrator Bill Nelson, left, and Senator Tim Kaine (D-Va.), right, are seen during a STEM event with NASA Astronaut Kjell Lindgren at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Robert Hines, center, answers a question along with fellow crewmates Jessica Watkins, left, and Kjell Lindgren, right, during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Senator Tim Kaine (D-Va.) delivers remarks during a STEM event with NASA Astronaut Kjell Lindgren and NASA Administrator Bill Nelson at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Astronaut Kjell Lindgren delivers remarks during a STEM event with NASA Administrator Bill Nelson and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Administrator Bill Nelson delivers remarks during a STEM event with NASA Astronaut Kjell Lindgren and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Robert Hines, center, and Kjell Lindgren, right, speak about their time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Howard University Professor and Chair of the Department of Physics and Astronomy, Dr. Quinton Williams gives NASA astronaut Jessica Watkins a tour of the Renewable Energy/Battery Research Laboratory at Howard University, Friday, March 31, 2023, in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines participate in STEM demonstrations with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines participate in STEM demonstrations with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Robert Hines, left, and Kjell Lindgren are seen at an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines and NASA astronaut Jessica Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Kjell Lindgren, left, and NASA Associate Chief Scientist for Exploration and Applied Research in the Office of the Chief Scientist Dr. Mamta Patel Nagaraja, right, answer questions from students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

Howard University students Elise Turner, left, and Kaie Hall, right, give NASA astronaut Jessica Watkins a tour of a biology laboratory at Howard University, Friday, March 31, 2023, in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Astronaut Kjell Lindgren answers questions from students during a STEM event with NASA Administrator Bill Nelson and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

Howard University students Elise Turner, left, and Kaie Hall, center, give NASA astronaut Jessica Watkins a tour of a biology laboratory at Howard University, Friday, March 31, 2023, in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Howard University student Nathan Roseboro gives NASA astronaut Jessica Watkins a demonstration of his work with lasers during a tour of the Laser Spectroscopy Laboratory at Howard University, Friday, March 31, 2023, in Washington. Photo Credit: (NASA/Aubrey Gemignani)

Howard University student Miles Phillips gives NASA astronaut Jessica Watkins a demonstration of his work with lasers during a tour of the Laser Spectroscopy Laboratory at Howard University, Friday, March 31, 2023, in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Bill Nelson delivers remarks during a STEM event with NASA Astronaut Kjell Lindgren and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Robert Hines, center, and Kjell Lindgren, right, speak about their time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA Astronaut Kjell Lindgren delivers remarks during a STEM event with NASA Administrator Bill Nelson and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines participate in STEM demonstrations with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Jessica Watkins, left, Robert Hines, center, and Kjell Lindgren, right, speak about their time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronauts Jessica Watkins, left, Robert Hines, center, and Kjell Lindgren, right, speak about their time onboard the International Space Station during an employee engagement event, Tuesday, March 28, 2023, at the Mary W. Jackson NASA Headquarters building in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

NASA astronaut Kjell Lindgren are seen in the in the One World Connected gallery looking at an interactive recreation of the International Space Station’s Cupola, Tuesday, March 28, 2023 at the Smithsonian’s National Air and Space Museum in Washington. Lindgren, along with fellow NASA astronauts Robert Hines and Jessica Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Howard University student Nathan Roseboro gives NASA astronaut Jessica Watkins a demonstration of his work with lasers during a tour of the Laser Spectroscopy Laboratory at Howard University, Friday, March 31, 2023, in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Jessica Watkins walks with Howard University student Myles Pope after giving a presentation about her time in space as part of Expeditions 67 and 68, Friday, March 31, 2023, at Howard University in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Kjell Lindgren, left, and Congressman Glenn Ivey (D-Md.), right, speak with students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

From left to right, NASA Administrator Bill Nelson, Senator Tim Kaine (D-Va.), and NASA Astronaut Kjell Lindgren view a video presentation during a STEM event at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronauts Kjell Lindgren, Jessica Watkins, and Robert Hines participate in STEM demonstrations with local students at the Martin Luther King Jr Memorial Library, Thursday, March 30, 2023, in Washington. Lindgren, Hines, and Watkins spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA astronaut Kjell Lindgren, left, and NASA Associate Chief Scientist for Exploration and Applied Research in the Office of the Chief Scientist Dr. Mamta Patel Nagaraja, right, answer questions from students during a STEM event at DuVal High School, Thursday, March 30, 2023, in Lanham, Maryland. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

Senator Tim Kaine (D-Va.) delivers remarks during a STEM event with NASA Astronaut Kjell Lindgren and NASA Administrator Bill Nelson at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

Howard University Professor and Chair of the Department of Physics and Astronomy, Dr. Quinton Williams gives NASA astronaut Jessica Watkins a tour of the Renewable Energy/Battery Research Laboratory at Howard University, Friday, March 31, 2023, in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Bill Nelson delivers remarks during a STEM event with NASA Astronaut Kjell Lindgren and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)

NASA Astronaut Kjell Lindgren answers questions from students during a STEM event with NASA Administrator Bill Nelson and Senator Tim Kaine (D-Va.) at James W. Robinson Secondary School, Friday, March 31, 2023, in Fairfax, Virginia. Lindgren spent 170 days in space as part of Expeditions 67 and 68 aboard the International Space Station. Photo Credit: (NASA/Keegan Barber)