
NASA astronaut Kjell Lindgren poses for a portrait, Wednesday, Sept. 16, 2020, in the Blue Flight Control Room at NASA’s Johnson Space Center in Houston. Photo Credit: (NASA/Bill Ingalls)

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 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 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 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)

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)

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, 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)

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)

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)

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)

JSC2015E053682 (04/30/2015) --- Expedition 44 NASA astronaut Kjell Lindgren.

ASTRONAUT KJELL LINDGREN SHAKES HANDS WITH BRETT BOULDIN

iss067e379044 (Sept. 21, 2022) --- Expedition 67 Flight Engineers (from left) Kjell Lindgren and Frank Rubio, both NASA astronauts, pose for a portrait together inside the cupola, the International Space Station's "window to the world."

LISA PRENDERGAST HANGS INCREMENT 44 PLAQUE, BECKY GRIMALDI, ASTRONAUTS KIMIYA YUI, AND KJELL LINDGREN ALSO PICTURED

LISA PRENDERGAST HANGS INCREMENT 44 PLAQUE, BECKY GRIMALDI, ASTRONAUTS KIMIYA YUI, AND KJELL LINDGREN ALSO PICTURED

Flight engineer Kjell Lindgren poses with zinnia plants in the Veggie facility during Plant Pillow water refill operations. Image was taken in the Columbus European Laboratory and released by Lindgren on social media. "Our zinnias are looking good! #SpaceGardener"

NASA astronaut and Astronaut Office Representative Kjell Lindgren is seen during a traditional tree planting ceremony at the Cosmonaut Hotel, Saturday, June 2, 2018 in Karaganda, Kazakhstan. Lindgren was in Karaganda to help support the Expedition 55 crew Soyuz landing from the International Space Station. Photo Credit: (NASA/Bill Ingalls)

iss068e015308 (Oct. 11, 2022) --- Moab, Utah, and the Colorado River are pictured from the International Space Station as it orbited 262 miles above the Beehive State. Credit: NASA/Kjell Lindgren

iss068e009003 (Oct. 5, 2022) --- Newport Beach, California, and several surrounding cities are pictured from the International Space Station as it orbited 262 miles above the Golden State. Credit: NASA/Kjell Lindgren

View of astronaut Kjell Lindgren flying in the Kibo module of the ISS. Sent as part of Twitter message: It's already been a week! Time is flying...and so am I!

ISS044E053870 (08/13/2015) --- NASA astronaut Kjell Lindgren trains his skills with the International Space Station’s Canadarm2 robotic arm in advance of the arrival of the fifth Japanese HTV cargo vehicle. Lindgren will back up fellow Expedition 44 crew member Kimiya Yui during the capture operations scheduled to take place on Aug. 24.

iss045e035341 (9/29/2015) --- NASA astronaut Kjell Lindgren celebrates International Coffee Day aboard the International Space Station (ISS) with his first hand-brewed cup of coffee in space, brewed using the Capillary Beverage Cup.

iss068e015304 (Oct. 11, 2022) --- The Green River snakes through Canyonlands National Park near Moab, Utah, in this photograph from the International Space Station as it orbited 262 miles above the Beehive State. Credit: NASA/Kjell Lindgren

iss045e035321 (9/29/2015) --- NASA astronaut Kjell Lindgren celebrates International Coffee Day aboard the International Space Station (ISS) with his first hand-brewed cup of coffee in space, brewed using the Capillary Beverage Cup.

ISS045E089495 (11/04/2015) --- NASA astronaut Kjell Lindgren uses a HAM radio to speak with operators down on Earth. The International Space Station is equipped with amateur radio equipment allowing astronauts to share the excitement of space exploration, inspire and ignite interest among students and others on the ground.

ISS045E045610 (10/03/2015) --- NASA astronaut Kjell Lindgren of Expedition 45 (left) provides a haircut to Russian cosmonaut Sergey Volkov (right) aboard the International Space Station. Not having a convienent barbershop 250 miles above the Earth, the crew helps each other out with a trimming of the locks from time to time.

iss045e035336 (9/29/2015) --- NASA astronaut Kjell Lindgren celebrates International Coffee Day aboard the International Space Station (ISS) with his first hand-brewed cup of coffee in space, brewed using the Capillary Beverage Cup.

NASA astronaut Kjell Lindgren is photographed at the Press Site at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. Lindgren, along with crewmates Bob Hines and Jessica Watkins, visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Lindgren, Hines, and Watkins, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

ISS045E050652 (10/07/2015) --- US astronauts Scott Kelly (bottom)and Kjell Lindgren (top) are counting down to a pair of spacewalks, now targeted for Oct. 28 and Nov. 6. The duo serviced their spacesuits replacing lithium batteries, checking their gloves and verifying power to video cameras. On the first spacewalk, the spacewalkers will lubricate the tip of the robotic arm Canadarm2, route power cables and place a thermal shroud over the Alpha Magnetic Spectrometer. During the second spacewalk, Kelly and Lindgren will refill coolant reservoirs and configure the port truss cooling system back to its original configuration after repair work completed back in 2012.

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 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 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)

From left, NASA astronauts Jessica Watkins, Bob Hines, and Kjell Lindgren are photographed at the Press Site at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. The astronauts visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Watkins, Hines, and Lindgren, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

From left, NASA astronauts Bob Hines, Jessica Watkins, and Kjell Lindgren prepare to serve cake to Kennedy Space Center employees during an appreciation event held at the Florida spaceport’s KARS Park on March 22, 2023. Hines, Watkins, and Lindgren, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

From left, NASA astronauts Jessica Watkins, Bob Hines, and Kjell Lindgren are photographed at the Press Site at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. The astronauts visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Watkins, Hines, and Lindgren, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

From left, NASA astronauts Kjell Lindgren, Jessica Watkins, and Bob Hines sign posters for Kennedy Space Center employees during an appreciation event held at the Florida spaceport’s KARS Park on March 22, 2023. Lindgren, Watkins, and Hines, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

From left, NASA astronauts Bob Hines, Jessica Watkins, and Kjell Lindgren take a photo with a Kennedy Space Center employee during an appreciation event held at the Florida spaceport’s KARS Park on March 22, 2023. Lindgren, Watkins, and Hines, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

From left, NASA astronauts Jessica Watkins, Bob Hines, and Kjell Lindgren are photographed at the Press Site at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. The astronauts visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Watkins, Hines, and Lindgren, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

From left, NASA astronauts Jessica Watkins, Bob Hines, and Kjell Lindgren pose for a photo at the Press Site at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. The astronauts visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Watkins, Hines, and Lindgren, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

Three of NASA’s SpaceX Crew-4 crew members converse with Kennedy Space Center senior staff members inside the Florida spaceport’s Operations Support Building II on March 22, 2023. The crew members, from left, are NASA astronauts Bob Hines, Kjell Lindgren, and Jessica Watkins. Hines, Lindgren, and Watkins, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, for an approximately six-month science mission aboard the orbiting laboratory.

From left, NASA astronauts Jessica Watkins, Bob Hines, and Kjell Lindgren are photographed at the Press Site at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. The astronauts visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Watkins, Hines, and Lindgren, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

NASA astronaut Kjell Lindgren (right) presents a photo to Kennedy Space Center Deputy Director Kelvin Manning on March 22, 2023, on behalf of the astronaut corps to thank Kennedy employees for supporting NASA’s SpaceX Crew-4 launch. Lindgren, along with NASA astronauts Bob Hines and Jessica Watkins, and ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from the Florida spaceport’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

NASA astronaut Bob Hines is photographed at the Press Site at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. Hines, along with crewmates Kjell Lindgren and Jessica Watkins, visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Hines, Lindgren, and Watkins, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

NASA astronaut Kjell Lindgren shakes hands with a Kennedy Space Center employee during an appreciation event held at the Florida spaceport’s KARS Park on March 22, 2023. Lindgren, along with crewmates Bob Hines and Jessica Watkins, visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Lindgren, Hines, and Watkins, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

NASA astronaut Kjell Lindgren speaks to Kennedy Space Center employees during an appreciation event held at the Florida spaceport’s KARS Park on March 22, 2023. Lindgren, along with crewmates Bob Hines and Jessica Watkins, visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Lindgren, Hines, and Watkins, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

ISS044E053933 (08/18/2015) --- Expedition 44 crew members NASA astronaut Kjell Lindgren (right) and JAXA astronaut Kimiya Yui (left) prepare for the robotic capture of the fifth Japanese HTV cargo vehicle. HTV-5 launched successfully from the Tanegashima Space Center in Japan on Aug. 19 and arrived at the station on Aug. 24, 2015.

iss044e045215 (08/09/2015)-- View (part of a time lapse sequence) of stars in the Milky Way Galaxy visible over an Earth limb as seen by the Expedition 44 crew. Astronaut Kjell Lindgren captured a lightning strike from space so bright that it lights up the space station’s solar panels. He posted this on Twitter and Instagram on Sept. 2 saying "Large lightning strike on Earth lights up or solar panels."

ISS045E082968 (10/28/2015) --- NASA astronaut Scott Kelly is photographed just outside the airlock during his first ever spacewalk on Oct 28, 2015. Kelly and NASA astronaut Kjell Lindgren worked outside for seven hours and 16 minutes on a series of tasks to service and upgrade the International Space Station. They wrapped a dark matter detection experiment in a thermal blanket, lubricated the tip of the Canadarm2 robotic arm and then routed power and data cables for a future docking port.

ISS045E019087 (09/18/2015) --- Japanese astronaut Kimiya Yui (left) and NASA astronaut Kjell Lindgren (right) work on removing items from a storage rack located inside the International Space Station’s Destiny laboratory. The pair are making room for new communications hardware that will be used for future visiting vehicles arriving at the space station, including the new U.S. commercial crew vehicles currently in development.

ISS045E033806 (09/25/2015) --- NASA astronaut Kjell Lindgren loads a deployer device filled with 16 CubeSats into a small airlock in the Japanese Kibo Module on the International Space Station. Among the 16 satellites are 14 Dove satellites from Planet Labs that will be used for Earth observation, one for testing space based radios and another that will be used to track ships on the open ocean.

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 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 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 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 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 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 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 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 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 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 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) presents a photo to Kennedy Space Center Deputy Director Kelvin Manning on March 22, 2023, on behalf of the astronaut corps to thank Kennedy employees for supporting NASA’s SpaceX Crew-4 launch. To the right of Manning are NASA astronauts Bob Hines and Jessica Watkins. Lindgren, Hines, and Watkins, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from the Florida spaceport’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

From left, NASA astronauts Jessica Watkins, Bob Hines, and Kjell Lindgren pause to look at the Vehicle Assembly Building at NASA’s Kennedy Space Center during a visit to the Florida spaceport on March 22, 2023. The astronauts visited Kennedy to thank employees for supporting NASA’s SpaceX Crew-4 launch. Watkins, Hines, and Lindgren, along with ESA (European Space Agency) astronaut Samantha Cristoforetti, launched to the International Space Station aboard a SpaceX Crew Dragon spacecraft on April 27, 2022, from Kennedy’s Launch Complex 39A. The crew remained at the orbiting laboratory for approximately six months, conducting critical science as part of the fourth crew rotation mission for NASA’s Commercial Crew Program.

iss044e080051 (9/1/2015) --- NASA astronaut Kjell Lindgren during the Multi-Purpose Small Payload Rack (MSPR)-2 installation in the Kibo Japanese Experiment Pressurized Module (JPM) aboard the International Space Station (ISS). The Multi Purpose Small Payload Rack-2 (MSPR-2) is a second multipurpose payload rack system used in the Japanese Experiment Module (JEM). Similar to the original MSPR (still in use), MSPR-2 has two workspaces and a work table that can be used for wide fields of space environment utilization including science and educational missions.

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)

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, 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 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)

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 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 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)

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)

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 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)