jsc2020e017112 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA applies a mission sticker to the interior of the crew bus as he, Anatoly Ivanishin, and Ivan Vagner of Roscosmos arrive at the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017075 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017093 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017109 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA waves farewell as he, Anatoly Ivanishin, and Ivan Vagner of Roscosmos depart building 254 via bus for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017069 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017084 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Ivan Vagner of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017129 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA, left, waves farewell as he, Anatoly Ivanishin and Ivan Vagner of Roscosmos depart for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)...

jsc2020e017094 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017092 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017088 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Ivan Vagner of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017090 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017120 - Expedition 63 Preflight - The Soyuz rocket with Expedition 63 crewmembers Chris Cassidy of NASA, Ivan Vagner and Anatoly Ivanishin of Roscosmos onboard is seen a several hours before launch, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, the trio lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017082 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA, left, Anatoly Ivanishin of Roscosmos, center, and Ivan Vagner of Roscosmos pose for a group photo after suiting up and preparing for leak checks of their launch and entry suits at the Baikonur Cosmodrome in Kazakhstan as they prepared for launch Thursday, April 9, 2020 on the Soyuz MS-16 spacecraft. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017065 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, and Anatoly Ivanishin, center, and Ivan Vagner of Roscosmos leave their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan to travel to their suit up facility for launch on the Soyuz MS-16 rocket from the Baikonur Cosmodrome, Thursday, April 9, 2020. They are beginning a six-and-a-half month mission on the International Space Station.Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017072 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017119 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA walks to board the Soyuz rocket with NASA Director for Human Space Flight Programs, Russia, Tricia Mack on right, ahead of launch with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, the trio lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017113 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA gives a thumbs up onboard the crew bus as he, Anatoly Ivanishin, and Ivan Vagner of Roscosmos arrive at the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017095 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA gives a thumbs up as he has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017078 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner and Anatoly Ivanishin of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017070 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017074 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

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)

jsc2020e017091 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017064 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Anatoly Ivanishin 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)

jsc2020e017081 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner and Anatoly Ivanishin of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017066 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, and Anatoly Ivanishin, center, and Ivan Vagner of Roscosmos leave their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan to travel to their suit up facility for launch on the Soyuz MS-16 rocket from the Baikonur Cosmodrome, Thursday, April 9, 2020. They are beginning a six-and-a-half month mission on the International Space Station.Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017077 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner and Anatoly Ivanishin of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017083 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Ivan Vagner of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017098 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017076 - Expedition 63 Preflight- A technician prepares to help Expedition 63 crewmember Chris Cassidy of NASA don his Sokol Suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner and Anatoly Ivanishin of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017117 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin walks to board the Soyuz rocket prior to launch with Ivan Vagner of Roscosmos and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, the trio lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017085 - Expedition 63 Preflight - Expedition 63 crewmember Anatoly Ivanishin of Roscosmos has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Ivan Vagner of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017067 - Expedition 63 Preflight - Expedition 63 crewmembers Anatoly Ivanishin, left, Ivan Vagner of Roscosmos, center, and Chris Cassidy of NASA, right, wave farewell as they depart their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan to travel to their suit up facility for launch on the Soyuz MS-16 rocket from the Baikonur Cosmodrome, Thursday, April 9, 2020. They are beginning a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017068 - Expedition 63 Preflight - Expedition 63 crewmembers Anatoly Ivanishin, left, Ivan Vagner of Roscosmos, center, and Chris Cassidy of NASA, right, wave farewell as they depart their Cosmonaut Hotel crew quarters in Baikonur, Kazakhstan to travel to their suit up facility for launch on the Soyuz MS-16 rocket from the Baikonur Cosmodrome, Thursday, April 9, 2020. They are beginning a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017097 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin and Ivan Vagner of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017118 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos walks to board the Soyuz rocket prior to launch with Anatoly Ivanishin of Roscosmos and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, the trio lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017063 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos signs a door in the Cosmonaut Hotel prior to departing for launch on a Soyuz rocket with Chris Cassidy of NASA, and Anatoly Ivanishin 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)

jsc2020e017071 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017080 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA dons his Sokol suit a few hours ahead of his launch on a Soyuz rocket with Ivan Vagner and Anatoly Ivanishin of Roscosmos, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017101 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin and Ivan Vagner of Roscosmos, right, talk to mission managers prior to departing for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017114 - Expedition 63 Preflight - Expedition 63 crewmembers Anatoly Ivanishin, Ivan Vagner of Roscosmos, and Chris Cassidy of NASA wave to workers as they arrive at the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017073 - Expedition 63 Preflight - Expedition 63 crewmembers Anatoly Ivanishin, left, and Ivan Vagner of Roscosmos don their Sokol suits a few hours ahead of their launch on a Soyuz rocket with Chris Cassidy of NASA, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017130 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Ivan Vagner and Anatoly Ivanishin of Roscosmos wave farewell as they depart for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)...

jsc2020e017102 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin and Ivan Vagner of Roscosmos, right, talk to mission managers prior to departing for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017111 - Expedition 63 Preflight - Expedition 63 crewmembers Anatoly Ivanishin, left, Ivan Vagner of Roscosmos, center, and Chris Cassidy of NASA depart building 254 via bus for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017115 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin and Ivan Vagner of Roscosmos, report to Roscosmos Director General Dmitry Rogozin, right, as they arrive at the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017079 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin of Roscosmos, center, and Ivan Vagner of Roscosmos don their Sokol suits a few hours ahead of their launch on a Soyuz rocket, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017086 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos, foreground, waits to have his Sokol suit pressure checked, as backup crew member Andrei Babkin of Roscosmos looks on, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, Vagner, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017110 - Expedition 63 Preflight - Expedition 63 crewmembers Anatoly Ivanishin, left, Ivan Vagner of Roscosmos, center, and Chris Cassidy of NASA depart building 254 via bus for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017103 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin and Ivan Vagner of Roscosmos, right, talk to mission managers prior to departing for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017108 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin, center, and Ivan Vagner of Roscosmos, depart building 254 for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017106 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin, center, and Ivan Vagner of Roscosmos, depart building 254 for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017099 - Expedition 63 Preflight - Expedition 63 crewmembers Anatoly Ivanishin, left, and Ivan Vagner of Roscosmos, talk as Chris Cassidy of NASA has his Sokol suit pressure checked ahead of their launch on a Soyuz rocket, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017116 - Expedition 63 Preflight - Expedition 63 crewmembers Ivan Vagner of Roscosmos, Anatoly Ivanishin of Roscosmos, and Chris Cassidy of NASA, pose for a group photograph with Roscosmos Director General Dmitry Rogozin, center, mission management and the backup the crew at the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, the crew lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017107 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, left, Anatoly Ivanishin and Ivan Vagner of Roscosmos, report to Roscosmos Director General Dmitry Rogozin, right, as they depart building 254 for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017089 - Expedition 63 Preflight - Expedition 63 crewmember Ivan Vagner of Roscosmos, left, has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Chris Cassidy of NASA, seated center, and Anatoly Ivanishin of Roscosmos, seated right, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)

jsc2020e017096 - Expedition 63 Preflight - Expedition 63 crewmember Chris Cassidy of NASA, left, has his Sokol suit pressure checked ahead of his launch on a Soyuz rocket with Anatoly Ivanishin of Roscosmos, seated center, and Ivan Vagner of Roscosmos, seated right, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017104 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, Anatoly Ivanishin and Ivan Vagner of Roscosmos, talk to Roscosmos Director General Dmitry Rogozin, 3rd from left, and other mission managers prior to departing for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017128 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, Anatoly Ivanishin and Ivan Vagner of Roscosmos, talk to Roscosmos Director General Dmitry Rogozin, NASA Director for Human Space Flight Programs, Russia, Tricia Mack, left, and other mission managers prior to departing for the launch pad as backup crew members, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)...

jsc2020e017100 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, seated left, Anatoly Ivanishin and Ivan Vagner of Roscosmos, seated right, pose for a photo with backup crew members Steve Bowen of NASA, standing left, Sergey Ryzhikov and Andrei Babkin and of Roscosmos , standing right after the crew had their Sokol suits pressure checked prior to launch on a Soyuz rocket, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...

jsc2020e017105 - Expedition 63 Preflight - Expedition 63 crewmembers Chris Cassidy of NASA, Anatoly Ivanishin and Ivan Vagner of Roscosmos, talk to Roscosmos Director General Dmitry Rogozin, right, NASA Director for Human Space Flight Programs, Russia, Tricia Mack, left, and other mission managers prior to departing for the launch pad, Thursday, April 9, 2020 at the Baikonur Cosmodrome in Kazakhstan. A few hours later, they lifted off on a Soyuz rocket for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/GCTC/Andrey Shelepin)...