The families of Expedition 51 Flight Engineer Jack Fischer of NASA and Soyuz Commander Fyodor Yurchikhin of Roscosmos laugh together before watching the traditional door signing ceremony at the Cosmonaut Hotel prior to the Expedition 51 launch, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 51 Flight Engineer Jack Fischer of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate, Soyuz Commander Fyodor Yurchikhin of Roscosmos, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate Flight Engineer Jack Fischer of NASA, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 51 Soyuz Commander Fyodor Yurchikhin of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate Flight Engineer Jack Fischer of NASA, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 51 Flight Engineer Jack Fischer of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mate, Soyuz Commander Fyodor Yurchikhin of Roscosmos, Thursday, April 20, 2017 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for 1:13pm April 20 Baikonur time, and will carry Yurchikhin and Fischer into orbit to begin their four and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 58 Soyuz Commander Oleg Kononenko of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Flight Engineer Anne McClain of NASA and Flight Engineer David Saint-Jacques of the Canadian Space Agency (CSA), Monday, Dec. 3, 2018, in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the same day and will carry Kononenko, McClain, and Saint-Jacques into orbit to begin their six and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 58 Flight Engineer Anne McClain of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Soyuz Commander Oleg Kononenko of Roscosmos, and Flight Engineer David Saint-Jacques of the Canadian Space Agency (CSA), Monday, Dec. 3, 2018, in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the same day and will carry McClain, Kononenko, and Saint-Jacques into orbit to begin their six and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 58 Flight Engineer Anne McClain of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Soyuz Commander Oleg Kononenko of Roscosmos, and Flight Engineer David Saint-Jacques of the Canadian Space Agency (CSA), Monday, Dec. 3, 2018, in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the same day and will carry McClain, Kononenko, and Saint-Jacques into orbit to begin their six and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 41 Flight Engineer Barry Wilmore of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Alexander Samokutyaev and Flight Engineer Elena Serova of the Russian Federal Space Agency (Roscosmos), Thursday, Sept. 25, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the early hours of Sept. 26 Kazakhstan time and will carry Wilmore, Samokutyaev, and Serova into orbit to begin their five and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 41 Flight Engineer Elena Serova of the Russian Federal Space Agency (Roscosmos), performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Alexander Samokutyaev of Roscosmos and Flight Engineer Barry Wilmore of NASA, Thursday, Sept. 25, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the early hours of Sept. 26 Kazakhstan time and will carry Serova, Wilmore, and Samokutyaev into orbit to begin their five and a half month mission on the International Space Station. Serova will become the fourth Russian woman to fly in space and the first Russian woman to live and work on the station. Photo Credit (NASA/Aubrey Gemignani)

Expedition 58 Flight Engineer David Saint-Jacques of the Canadian Space Agency (CSA) poses for a photo after performing the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Soyuz Commander Oleg Kononenko of Roscosmos, and Flight Engineer Anne McClain of NASA, Monday, Dec. 3, 2018, in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the same day and will carry Saint-Jacques, McClain, and Kononenko into orbit to begin their six and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 58 Flight Engineer David Saint-Jacques of the Canadian Space Agency (CSA) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Soyuz Commander Oleg Kononenko of Roscosmos, and Flight Engineer Anne McClain of NASA, Monday, Dec. 3, 2018, in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the same day and will carry Saint-Jacques, McClain, and Kononenko into orbit to begin their six and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 42 Flight Engineer Terry Virts of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Soyuz Commander Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Samantha Cristoforetti of the European Space Agency (ESA), Sunday, Nov. 23, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the early hours of Nov. 24 Kazakhstan time and will carry Virts, Shkaplerov, and Cristoforetti into orbit to begin their five and a half month mission on the International Space Station. Photo Credit: (NASA/Aubrey Gemignani)

Expedition 42 Flight Engineer Samantha Cristoforetti of the European Space Agency (ESA), performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Soyuz Commander Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Terry Virts of NASA, Sunday, Nov. 23, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the early hours of Nov. 24 Kazakhstan time and will carry Cristoforetti, Virts, and Shkaplerov into orbit to begin their five and a half month mission on the International Space Station. Photo Credit (NASA/Aubrey Gemignani)

Expedition 42 Soyuz Commander Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crewmates, Flight Engineers Samantha Cristoforetti of the European Space Agency (ESA) and Terry Virts of NASA, Sunday, Nov. 23, 2014 in Baikonur, Kazakhstan. Launch of the Soyuz rocket is scheduled for the early hours of Nov. 24 Kazakhstan time and will carry Shkaplerov, Cristoforetti, and Virts into orbit to begin their five and a half month mission on the International Space Station. Photo Credit (NASA/Aubrey Gemignani)

Expedition 37/38 NASA Flight Engineer Michael Hopkins performs the traditional door signing before he and fellow crewmates, Soyuz Commander Oleg Kotov, Russian Flight Engineer Sergey Ryazanskiy depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hopkins, Kotov and Ryazanskiy on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 59 astronaut Christina Koch of NASA signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Nick Hague of NASA, and Alexey Ovchinin of Roscosmos, Thursday, March 14, 2019 in Baikonur, Kazakhstan. Hague, Koch, and Ovchinin will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 37/38 Soyuz Commander Oleg Kotov performs the traditional door signing before he and fellow crewmates, NASA Flight Engineer Michael Hopkins, Russian Flight Engineer Sergey Ryazanskiy depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hopkins, Kotov and Ryazanskiy on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 61 cosmonaut Oleg Skripochka of Roscosmos signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Expedition 61 astronaut Jessica Meir of NASA, and spaceflight participant Hazzaa Ali Almansoori of the United Arab Emirates Wednesday, Sept. 25, 2019 in Baikonur, Kazakhstan. Meir, Skripochka, and Almansoori will launch later in the day on the Soyuz MS-15 spacecraft from the Baikonur Cosmodrome to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 37/38 Russian Flight Engineer Sergey Ryazanskiy performs the traditional door signing before he and fellow crewmates, Soyuz Commander Oleg Kotov and NASA Flight Engineer Michael Hopkins depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hopkins, Kotov and Ryazanskiy on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 35 NASA Flight Engineer Chris Cassidy performs the traditional door signing before he and fellow crewmates, Soyuz Commander Pavel Vinogradov and Flight Engineer Alexander Misurkin depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Cassidy, Vinogradov and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 37/38 Soyuz Commander Oleg Kotov performs the traditional door signing before he and fellow crewmates, NASA Flight Engineer Michael Hopkins, Russian Flight Engineer Sergey Ryazanskiy depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hopkins, Kotov and Ryazanskiy on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 18 Commander Michael Fincke signs the door of a hotel room at the Cosmonaut Hotel prior to departing for the launch aboard a Soyuz TMA-13 spacecraft, Sunday, Oct. 12, 2008, in Baikonur, Kazakhstan. The Soyuz TMA-13 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan carrying Expedition 18 Commander Michael Fincke, Flight Engineer Yuri V. Lonchakov and American spaceflight participant Richard Garriott. Photo Credit: (NASA/Bill Ingalls)

Expedition 18 Flight Engineer Yuri V. Lonchakov signs the door of a hotel room at the Cosmonaut Hotel prior to departing for the launch aboard a Soyuz TMA-13 spacecraft, Sunday, Oct. 12, 2008, in Baikonur, Kazakhstan. The Soyuz TMA-13 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan carrying Expedition 18 Commander Michael Fincke, Flight Engineer Yuri V. Lonchakov and American spaceflight participant Richard Garriott. Photo Credit: (NASA/Bill Ingalls)

Expedition 35 Russian Flight Engineer Alexander Misurkin performs the traditional door signing before he and fellow crewmates, Soyuz Commander Pavel Vinogradov and NASA Flight Engineer Chris Cassidy depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Misurkin, Vinogradov and Cassidy on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 35 Soyuz Commander Pavel Vinogradov performs the traditional door signing before he and fellow crewmates, Flight Engineers Chris Cassidy and Alexander Misurkin depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station, Thursday, March 28, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Vinogradov, Cassidy and Misurkin on a five and a half month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Flight Engineer Steve Swanson of NASA and Flight Engineer Oleg Artemyev of Roscosmos, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Skvortsov, Swanson, and Artemyev will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

Spaceflight participant Hazzaa Ali Almansoori of the United Arab Emirates signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Expedition 61 crewmembers Oleg Skripochka of Roscosmos, and Jessica Meir of NASA Wednesday, Sept. 25, 2019 in Baikonur, Kazakhstan. Meir, Skripochka, and Almansoori will launch later in the day on the Soyuz MS-15 spacecraft from the Baikonur Cosmodrome to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 61 astronaut Jessica Meir of NASA signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Expedition 61 cosmonaut Oleg Skripochka of Roscosmos, and spaceflight participant Hazzaa Ali Almansoori of the United Arab Emirates Wednesday, Sept. 25, 2019 in Baikonur, Kazakhstan. Meir, Skripochka, and Almansoori will launch later in the day on the Soyuz MS-15 spacecraft from the Baikonur Cosmodrome to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 37/38 Russian Flight Engineer Sergey Ryazanskiy performs the traditional door signing before he and fellow crewmates, Soyuz Commander Oleg Kotov and NASA Flight Engineer Michael Hopkins depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hopkins, Kotov and Ryazanskiy on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 39 Flight Engineer Steve Swanson of NASA, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, and Flight Engineer Oleg Artemyev of Roscosmos, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Swanson, Skvortsov and, and Artemyev will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

Expedition 59 astronaut Nick Hague of NASA signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Christina Koch of NASA, and Alexey Ovchinin of Roscosmos, Thursday, March 14, 2019 in Baikonur, Kazakhstan. Hague, Koch, and Ovchinin will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 37/38 NASA Flight Engineer Michael Hopkins performs the traditional door signing before he and fellow crewmates, Soyuz Commander Oleg Kotov, Russian Flight Engineer Sergey Ryazanskiy depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station on Wednesday, Sept. 25, 2013, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hopkins, Kotov and Ryazanskiy on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 59 cosmonaut Alexey Ovchinin of Roscosmos signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Nick Hague, and Christina Koch of NASA, Thursday, March 14, 2019 in Baikonur, Kazakhstan. Hague, Koch, and Ovchinin will launch March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 39 Flight Engineer Oleg Artemyev, left, of the Russian Federal Space Agency, Roscosmos, performs the traditional door signing at the Cosmonaut hotel as Soyuz Commander Alexander Skvortsov of Roscosmos, looks on, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Artemyev, Skvortsov, and fellow crew member Flight Engineer Steve Swanson of NASA will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

Expedition 39 Flight Engineer Oleg Artemyev of the Russian Federal Space Agency, Roscosmos, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Alexander Skvortsov of Roscosmos, and Flight Engineer Steve Swanson of NASA, Tuesday, March 25, 2014, in Baikonur, Kazakhstan. Artemyev, Skvortsov, and Swanson will launch in their Soyuz TMA-12M spacecraft to the International Space Station to begin a six-month mission. Photo Credit (NASA/Joel Kowsky)

Expedition 65 Russian cosmonaut Oleg Novitskiy performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Russian cosmonaut Pyotr Dubrov, and NASA astronaut Mark Vande Hei, Friday, April 9, 2021, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will sent the trio on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Irina Spector

Expedition 64 NASA astronaut Kate Rubins performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Sergey Ryzhikov and Sergey Kud-Sverchkov of Roscosmos, Wednesday, Oct. 14, 2020, in Baikonur, Kazakhstan. Ryzhikov, Kud-Sverchkov, and Rubins launched in their Soyuz MS-17 spacecraft at 1:45 a.m. EDT to begin a six-month mission onboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 54 flight engineer Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow cremates flight engineer Norishige Kanai of Japan Aerospace Exploration Agency (JAXA) and flight engineer Scott Tingle of NASA, Sunday, Dec. 17, 2017 in Baikonur, Kazakhstan. Kanai, Shkaplerov, and Tingle will launch in their Soyuz MS-07 to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 54 flight engineer Scott Tingle of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow cremates flight engineer Norishige Kanai of Japan Aerospace Exploration Agency (JAXA) and Soyuz Commander Anton Shkaplerov of Roscosmos, Sunday, Dec. 17, 2017 in Baikonur, Kazakhstan. Tingle, Shkaplerov, and Kanai will launch in their Soyuz MS-07 to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Ricky Arnold of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Oleg Artemyev of Roscosmos and Drew Feustel of NASA, Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Arnold, Artemyev, and Feustel will launch in their Soyuz MS-08 spacecraft to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 64 Russian cosmonaut Sergey Ryzhikov of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Sergey Kud-Sverchkov of Roscosmos and Kate Rubins of NASA, Wednesday, Oct. 14, 2020, in Baikonur, Kazakhstan. Ryzhikov, Kud-Sverchkov, and Rubins launched in their Soyuz MS-17 spacecraft at 1:45 a.m. EDT to begin a six-month mission onboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 54 flight engineer Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow cremates flight engineer Norishige Kanai of Japan Aerospace Exploration Agency (JAXA) and flight engineer Scott Tingle of NASA, Sunday, Dec. 17, 2017 in Baikonur, Kazakhstan. Kanai, Shkaplerov, and Tingle will launch in their Soyuz MS-07 to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 65 Russian cosmonaut Pyotr Dubrov performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Russian cosmonaut Oleg Novitskiy and NASA astronaut Mark Vande Hei, Friday, April 9, 2021, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will sent the trio on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Irina Spector

Expedition 55 Soyuz Commander Oleg Artemyev of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Ricky Arnold and Drew Feustel of NASA, Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Artemyev, Arnold, and Feustel will launch in their Soyuz MS-08 spacecraft to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 54 Soyuz Commander Anton Shkaplerov of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow cremates flight engineer Norishige Kanai of Japan Aerospace Exploration Agency (JAXA) and flight engineer Scott Tingle of NASA, Sunday, Dec. 17, 2017 in Baikonur, Kazakhstan. Shkaplerov, Tingle, and Kanai will launch in their Soyuz MS-07 to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 55 flight engineer Drew Feustel of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Oleg Artemyev of Roscosmos and Ricky Arnold of NASA, Wednesday, March 21, 2018 in Baikonur, Kazakhstan. Feustel, Artemyev, and Arnold will launch in their Soyuz MS-08 spacecraft to the International Space Station to begin a five month mission. Photo Credit: (NASA/Joel Kowsky)

A hotel room door covered with signatures of Astronauts and Cosmonauts is seen at the Cosmonaut Hotel, Tuesday, May 28, 2013 in Baikonur, Kazakhstan. Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), Flight Engineers: Flight Engineer Karen Nyberg of NASA, and, Luca Parmitano of the European Space Agency each signed doors in the traditional ceremony prior to departing the hotel for launch onboard a Soyuz to the International Space Station. Yurchikhin, Nyberg, and, Parmitano, will remain aboard the station until mid-November. Photo credit: (NASA/Bill Ingalls)

Expedition 36/37 Flight Engineer Karen Nyberg of NASA signs a hotel room door at the Cosmonaut Hotel, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Nyberg and her fellow crew members, Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), and, Flight Engineer, and Luca Parmitano of the European Space Agency, were departing the hotel in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 60 flight engineer Luca Parmitano of ESA (European Space Agency) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Andrew Morgan of NASA and Alexander Skvortsov of Roscosmos, Saturday, July 20, 2019 in Baikonur, Kazakhstan. Skvortsov, Morgan, and Parmitano launched at 12:28 p.m. Eastern time (9:28 p.m. Baikonur time) to begin their mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 60 flight engineer Andrew Morgan of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Alexander Skvortsov of Roscosmos and Luca Parmitano of ESA (European Space Agency), Saturday, July 20, 2019 in Baikonur, Kazakhstan. Skvortsov, Morgan, and Parmitano launched at 12:28 p.m. Eastern time (9:28 p.m. Baikonur time) to begin their mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 64 Russian cosmonaut Sergey Kud-Sverchkov of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Sergey Ryzhikov of Roscosmos and Kate Rubins of NASA, Wednesday, Oct. 14, 2020, in Baikonur, Kazakhstan. Ryzhikov, Kud-Sverchkov, and Rubins launched in their Soyuz MS-17 spacecraft at 1:45 a.m. EDT to begin a six-month mission onboard the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) signs a hotel room door at the Cosmonaut Hotel, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Yurichikin and his fellow crew members, Flight Engineers; Karen Nyberg of NASA, and Luca Parmitano of the European Space Agency, were departing the hotel in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 60 Soyuz Commander Alexander Skvortsov of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Andrew Morgan of NASA and Luca Parmitano of ESA (European Space Agency), Saturday, July 20, 2019 in Baikonur, Kazakhstan. Skvortsov, Morgan, and Parmitano launched at 12:28 p.m. Eastern time (9:28 p.m. Baikonur time) to begin their mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 65 NASA astronaut Mark Vande Hei performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Russian cosmonauts Oleg Novitskiy and Pyotr Dubrov, Friday, April 9, 2021, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will sent the trio on a mission to the International Space Station. Photo Credit: (NASA/GCTC/Irina Spector

Expedition 56 flight engineer Alexander Gerst of ESA (European Space Agency) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Serena Auñón-Chancellor of NASA and Sergey Prokopyev of Roscosmos, Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Gerst, Auñón-Chancellor, and Prokopyev will launch in their Soyuz MS-09 spacecraft to the International Space Station to being a six month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Serena Auñón-Chancellor of NASA and Alexander Gerst of ESA (European Space Agency), Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Prokopyev, Auñón-Chancellor, and Gerst will launch in their Soyuz MS-09 spacecraft to the International Space Station to being a six month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 60 flight engineer Andrew Morgan of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Alexander Skvortsov of Roscosmos and Luca Parmitano of ESA (European Space Agency), Saturday, July 20, 2019 in Baikonur, Kazakhstan. Skvortsov, Morgan, and Parmitano launched at 12:28 p.m. Eastern time (9:28 p.m. Baikonur time) to begin their mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Serena Auñón-Chancellor of NASA and Alexander Gerst of ESA (European Space Agency), Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Prokopyev, Auñón-Chancellor, and Gerst will launch in their Soyuz MS-09 spacecraft to the International Space Station to being a six month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 36/37 Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos) pauses from signing a hotel room door at the Cosmonaut Hotel so that his daughter may take a photo, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Yurichikin and his fellow crew members, Flight Engineers; Karen Nyberg of NASA, and Luca Parmitano of the European Space Agency, were departing the hotel in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 36/37 Flight Engineer Karen Nyberg of NASA pauses for a photo while signing a hotel room door at the Cosmonaut Hotel, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Nyberg and her fellow crew members, Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), and, Flight Engineer, and Luca Parmitano of the European Space Agency, were departing the hotel in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Sergey Prokopyev of Roscosmos and Alexander Gerst of ESA (European Space Agency), Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Auñón-Chancellor, Prokopyev, and Gerst will launch in their Soyuz MS-09 spacecraft to the International Space Station to being a six month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 36/37 Flight Engineer Luca Parmitano of the European Space Agency signs a hotel room door at the Cosmonaut Hotel, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Parmitano and his fellow crew members, Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), and, Flight Engineer, and Karen Nyberg of NASA, were departing the hotel in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 60 flight engineer Luca Parmitano of ESA (European Space Agency) performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Andrew Morgan of NASA and Alexander Skvortsov of Roscosmos, Saturday, July 20, 2019 in Baikonur, Kazakhstan. Skvortsov, Morgan, and Parmitano launched at 12:28 p.m. Eastern time (9:28 p.m. Baikonur time) to begin their mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 56 flight engineer Serena Auñón-Chancellor of NASA performs the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket with fellow crewmates Sergey Prokopyev of Roscosmos and Alexander Gerst of ESA (European Space Agency), Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Auñón-Chancellor, Prokopyev, and Gerst will launch in their Soyuz MS-09 spacecraft to the International Space Station to being a six month mission. Photo Credit: (NASA/Joel Kowsky)

Expedition 36/37 Flight Engineer Luca Parmitano of the European Space Agency prepares to sign a hotel room door at the Cosmonaut Hotel, Tuesday, May 28, 2013, in Baikonur, Kazakhstan. Parmitano and his fellow crew members, Soyuz Commander Fyodor Yurchikhin of the Russian Federal Space Agency (Roscosmos), and, Flight Engineer, and Karen Nyberg of NASA, were departing the hotel in preparation for their launch on a Soyuz rocket to the International Space Station (ISS) on Wednesday May 29, Kazakh time. Photo credit: (NASA/Bill Ingalls)

Expedition 60 flight engineer Andrew Morgan of NASA, left, Soyuz Commander Alexander Skvortsov of Roscosmos, center, and flight engineer Luca Parmitano of ESA (European Space Agency) are seen before they perform the traditional door signing at the Cosmonaut Hotel prior to departing the hotel for launch on a Soyuz rocket, Saturday, July 20, 2019 in Baikonur, Kazakhstan. Skvortsov, Morgan, and Parmitano launched at 12:28 p.m. Eastern time (9:28 p.m. Baikonur time) to begin their mission to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

A door in the Cosmonaut Hotel is propped up and ready for the ceremonial door singing by the Expedition 61 crew prior to departing for launch on a Soyuz rocket Wednesday, Sept. 25, 2019 in Baikonur, Kazakhstan. Expedition 61 crewmembers Jessica Meir of NASA and Oleg Skripochka of Roscosmos, and spaceflight participant Hazzaa Ali Almansoori of the United Arab Emirates will launch later in the day on the Soyuz MS-15 spacecraft from the Baikonur Cosmodrome to the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Construction of the new NASA Ames Green Building dubbed Sustainability Base located on the Ames Research Center campus at Moffett Field, CA. Front door and building sign.

Brazilian Space Agency Soyuz crew member Marcos Pontes performs the traditional signing of a bedroom door at the Cosmonaut Hotel in Baikonur, Kazakhstan on Thursday, March 30, 2006 prior to the crew’s departure to building 254 and their suit up for launch onboard the Soyuz. Photo Credit: (NASA/Bill Ingalls)

Expedition 13 Commander Pavel V. Vinogradov does the traditional signing of a bedroom door at the Cosmonaut Hotel in Baikonur, Kazakhstan on Thursday, March 30, 2006 prior to the crew’s departure to building 254 and their suit up for launch onboard the Soyuz. Photo Credit: (NASA/Bill Ingalls)

Expedition 13 Science Officer and Flight Engineer Jeffrey N. Williams does the traditional signing of a bedroom door at the Cosmonaut Hotel in Baikonur, Kazakhstan on Thursday, March 30, 2006 prior to the crew’s departure to building 254 and their suit up for launch onboard the Soyuz. Photo Credit: (NASA/Bill Ingalls)

Signatures of astronauts, and cosmonauts from various countries can be seen on a door of a room in the Cosmonaut Hotel, Wednesday, June 6, 2018 in Baikonur, Kazakhstan. Expedition 56 crewmembers Serena Auñón-Chancellor of NASA, Sergey Prokopyev of Roscosmos, and Alexander Gerst of ESA (European Space Agency) will follow the traditional and sign the door ahead of their launch onboard a Soyuz MS-09 spacecraft. Auñón-Chancellor, Prokopyev, and Gerst launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station. Photo Credit: (NASA/Joel Kowsky)

Expedition 28 JAXA (Japanase Aerospace Exploration Agency) astronaut and Flight Engineer Satoshi Furukawa performs the traditional door signing Tuesday, June 7, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Furukawa was launched onboard the Soyuz rocket the following morning with Expedition 28 Soyuz Commander Sergei Volkov and NASA Flight Engineer Mike Fossum on a mission to the International Space Station (ISS). Photo Credit: (NASA/Victor Zelentsov)

Expedition 22 NASA Flight Engineer Timothy J. Creamer of the U.S. smiles for photographers after performing the traditional door signing at the Cosmonaut Hotel in Baikonur, Kazakhstan before departing with fellow crew members, Soyuz Commander Oleg Kotov of Russia, and Flight Engineer Soichi Noguchi of Japan to suit up for their launch, Sunday, Dec. 20, 2009. Photo Credit: (NASA/Bill Ingalls)

Expedition 8 Commander and NASA Science Officer Mike Foale signs his name to the door of his room at the Cosmonaut Hotel crew quarters, Saturday, Oct. 18, 2003, in Baikonur, Kazakhstan prior to departing for the launch pad. Foale, along with Expedition 8 Soyuz Commander Alexander Kaleri and European Space Agency Astronaut Pedro Duque of Spain were launched on a Soyuz TMA-3 vehicle from Baikonur to the International Space Station, arriving on Oct. 20. Photo Credit (NASA/Bill Ingalls)

Expedition 27 Soyuz Commander Alexander Samokutyaev performs the traditional door signing Monday, April 4, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Samokutyaev was launched onboard the Soyuz rocket the following morning with Expedition 27 NASA Flight Engineer Ron Garan and Russian Flight Engineer Andrey Borisenko on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 22 Flight Engineer Soichi Noguchi of Japan smiles for photographers after performing the traditional door signing at the Cosmonaut Hotel in Baikonur, Kazakhstan before departing with fellow crew members, Soyuz Commander Oleg Kotov of Russia, and NASA Flight Engineer Timothy J. Creamer of the U.S. to suit up for their launch, Sunday, Dec. 20, 2009. Photo Credit: (NASA/Bill Ingalls)

Expedition 30 NASA astronaut and Flight Engineer Don Pettit performs the traditional door signing Wednesday, Dec. 21, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Pettit was launched onboard the Soyuz rocket the same evening with Expedition 30 Soyuz Commander Oleg Kononenko and ESA (European Space Agency) astronaut Andre Kuiperson a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 19 Flight Engineer Michael R. Barratt performs the traditional door signing at the Cosmonaut Hotel on the morning of his Soyuz launch with Expedition 19 Commander Gennady I. Padalka and Spaceflight Participant Charles Simonyi to the International Space Station on Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

Expedition 28 NASA Flight Engineer Mike Fossum performs the traditional door signing Tuesday, June 7, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Fossum was launched onboard the Soyuz rocket the following morning with Expedition 28 Soyuz Commander Sergei Volkov and JAXA (Japanase Aerospace Exploration Agency) astronaut and Flight Engineer Satoshi Furukawa on a mission to the International Space Station (ISS). Photo Credit: (NASA/Victor Zelentsov)

Expedition 31 Flight Engineer Sergei Revin performs the tradition of signing one of the doors at the Cosmonaut Hotel on Tuesday, May 15, 2012 in Baikonur, Kazakhstan. The Soyuz spacecraft with Revin, Expedition 31 Soyuz Commander Gennady Padalka, and NASA Flight Engineer Joe Acaba aboard launched at 9:01 a.m. Kazakhstan time on Tuesday, May 15. Photo Credit (NASA/Bill Ingalls)

Expedition 30 ESA (European Space Agency) astronaut Andre Kuipers performs the traditional door signing Wednesday, Dec. 21, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Kuipers was launched onboard the Soyuz rocket the same evening with Expedition 30 NASA Flight Engineer Don Pettit and Soyuz Commander and Russian cosmonaut Oleg Kononenko on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 21 Flight Engineer Jeffrey N. Williams performs the traditional door signing Wednesday, Sept. 30, 2009 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Williams was launched onboard the Soyuz rocket later that day with Expedition 21 Flight Engineer Maxim Suraev and Spaceflight Participant Guy Laliberté on a mission to the International Space Station (ISS). Photo Credit: (NASA/Bill Ingalls)

Expedition 10 Soyuz Commander Salizhan Sharipov prepares to do the traditional door signing prior to his departure from the Cosmonaut Hotel for launch, Thursday, Oct. 14, 2004, in Baikonur, Kazakhstan. The crew will dock to the International Space Station on October 16, and Chiao and Sharipov will replace the current station crewmembers, Gennady Padalka and Mike Fincke, who will return to Earth October 24 with Shargin. Photo Credit: (NASA/Bill Ingalls)

Expedition 33/34 Flight Engineer Kevin Ford performs the traditional door signing before he and fellow cremates, Soyuz Commander Oleg Novitskiy, and Flight Engineer Evgeny Tarelkin depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station, on Tuesday, October 23, 2012, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Ford, Novitskiy and Tarelkin on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 19 Commander Gennady I. Padalka performs the traditional door signing at the Cosmonaut Hotel on the morning of his Soyuz launch with Expedition 19 Flight Engineer Michael R. Barratt and Spaceflight Participant Charles Simonyi to the International Space Station on Thursday, March 26, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)

Expedition 32 NASA Flight Engineer Sunita Williams continues the tradition of signing one of the doors at the Cosmonaut Hotel on Sunday, July 15, 2012 in Baikonur, Kazakhstan. The Soyuz spacecraft with Williams, Soyuz Commander Yuri Malenchenko and JAXA Flight Engineer Akihiko Hoshide aboard launched at 8:40 a.m. Kazakhstan time. Photo Credit (NASA/Carla Cioffi)

Expedition 21 Flight Engineer Maxim Suraev performs the traditional door signing Wednesday, Sept. 30, 2009 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Suraev was launched onboard the Soyuz rocket later that day with Expedition 21 Flight Engineer Jeffrey N. Williams and Spaceflight Participant Guy Laliberté on a mission to the International Space Station (ISS). Photo Credit: (NASA/Bill Ingalls)

Expedition 26 European Space Agency astronaut and Flight Engineer Paolo Nespoli performs the traditional door signing Wednesday, Dec. 15, 2010 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Nespoli was launched onboard the Soyuz rocket the following morning with Expedition 26 Soyuz Commander Dmitry Kondratyev and NASA Flight Engineer Catherine Coleman on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 27 Flight Engineer Ron Garan performs the traditional door signing Monday, April 4, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Garan was launched onboard the Soyuz rocket the following morning with Expedition 27 Soyuz Commander Alexander Samokutyaev and Flight Engineer Andrey Borisenko on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 38 Flight Engineer Koichi Wakata of the Japan Aerospace Exploration Agency, performs the traditional door signing at the Cosmonaut hotel prior to departing the hotel for launch in a Soyuz rocket with fellow crew mates, Soyuz Commander Mikhail Tyurin of Roscosmos, and, Flight Engineer Rick Mastracchio of NASA, Thursday, Nov. 7, 2013, in Baikonur, Kazakhstan. Tyurin, Wakata, and, Mastracchio will launch in their Soyuz TMA-11M spacecraft to the International Space Station to begin a six-month mission. Photo Credit: (NASA/GCTC/Irina Peshkova)

Expedition 30 NASA astronaut and Flight Engineer Don Pettit performs the traditional door signing Wednesday, Dec. 21, 2011 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Pettit was launched onboard the Soyuz rocket the same evening with Expedition 30 Soyuz Commander Oleg Kononenko and ESA (European Space Agency) astronaut Andre Kuiperson a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 26 NASA Flight Engineer Catherine Coleman performs the traditional door signing Wednesday, Dec. 15, 2010 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Coleman was launched onboard the Soyuz rocket the following morning with Expedition 26 Soyuz Commander Dmitry Kondratyev and ESA Flight Engineer Paolo Nespoli on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

Expedition 22 Soyuz Commander Oleg Kotov of Russia smiles for photographers after performing the traditional door signing at the Cosmonaut Hotel in Baikonur, Kazakhstan before departing with fellow crew members, NASA Flight Engineer Timothy J. Creamer of the U.S., and Flight Engineer Soichi Noguchi of Japan to suit up for their launch, Sunday, Dec. 20, 2009. Photo Credit: (NASA/Bill Ingalls)

Expedition 34/35 Flight Engineer and Expedition 35 ISS Commander Chris Hadfield, of the Canadian Space Agency (CSA), performs the traditional door signing before he and fellow cremates, Flight Engineer Tom Marshburn, and Soyuz Commander Roman Romanenko depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station on Wednesday, Dec. 19, 2012, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Hadfield, Romanenko and Marshburn on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Expedition 33/34 Soyuz Commander Oleg Novitskiy performs the traditional door signing before he and fellow cremates, Flight Engineer Kevin Ford, and Flight Engineer Evgeny Tarelkin depart the Cosmonaut Hotel for their Soyuz launch to the International Space Station, on Tuesday, October 23, 2012, in Baikonur, Kazakhstan. Launch of the Soyuz rocket will send Ford, Novitskiy and Tarelkin on a five-month mission aboard the International Space Station. Photo Credit: (NASA/Bill Ingalls)

Expedition 25 Flight Engineer Scott Kelly performs the traditional door signing Thursday, October 7, 2010 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Kelly was launched onboard the Soyuz rocket the following morning with Expedition 25 Soyuz Commander Alexander Kaleri and Flight Engineer Oleg Skripochka on a mission to the International Space Station (ISS). Photo Credit: (NASA/Carla Cioffi)

jsc2020e017062 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Chris Cassidy of NASA, and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 in Baikonur, Kazakhstan. The crew is beginning a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

Expedition 24 Soyuz Commander and Flight Engineer Fyodor Yurchikhin performs the traditional door signing prior to his launch to the International Space Station, Tuesday, June 15, 2010 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Yurchikhin was launched onboard the Soyuz rocket the following morning with Expedition 24 Flight Engineer Shannon Walker and Doug Wheelock on a mission to the ISS. Photo Credit: (NASA/Carla Cioffi)