Expedition 68 crewmembers train for the unlikely event of an emergency by training inside a mockup that models the real orbiting lab at NASA's Johnson Space Center in Houston, Texas in preparation for their upcoming International Space Station mission. Credit: NASA/James Blair

NASA Astronaut Frank Rubio (far left) poses for a group photograph with his Expedition 68 crewmates in the Space Vehicle Mockup Facility at NASA's Johnson Space Center in Houston following a training to prepare for the unlikely event of emergency scenarios before their mission to the International Space Station.

NASA Astronaut Frank Rubio converses with NASA Astronaut Loral O'Hara while wearing a spacesuit in a mockup of an International Space Station airlock as part of his training for his upcoming mission.

NASA Astronaut Frank Rubio trains with hardware at the Space Vehicle Mockup Facility at NASA's Johnson Space Center before his flight to the International Space Station.

NASA Astronaut Frank Rubio addresses his instructors and crew trainers in a ceremony at the Space Vehicle Mockup Facility at NASA's Johnson Space Center in Houston.

Roscosmos Cosmonaut Anna Kikina smiles during a training inside the Space Vehicle Mockup Facility to prepare for her upcoming journey to the International Space Station as part of NASA's SpaceX Crew-5 mission. Credit: NASA/James Blair

NASA Astronaut Josh Cassada, JAXA astronaut Koichi Wakata, and Roscosmos cosmonaut Anna Kikina train for their upcoming SpaceX Crew-5 mission to the International Space Station inside a mockup facility at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/James Blair

NASA's SpaceX Crew-5 astronauts train on May 13, 2022 for their upcoming International Space Station mission in the Space Vehicle Mockup Facility at NASA's Johnson Space Center in Houston. From left to right: JAXA astronaut Koichi Wakata, and NASA Astronauts Josh Cassada and Nicole Mann.

Roscosmos cosmonaut Anna Kikina, JAXA astronaut Koichi Wakata, and NASA astronaut Nicole Mann prepare for the unlikely event of an emergency before their mission to the International Space Station. Credit: NASA/James Blair

From left to right: NASA Astronaut Josh Cassada, JAXA astronaut Koichi Wakata, NASA Astronaut Nicole Mann, and Roscosmos cosmonaut Anna Kikina prepare for the unlikely event of an emergency by training inside a mockup that models the real orbiting lab at NASA's Johnson Space Center in Houston, Texas ahead of their upcoming International Space Station mission. Credit: NASA/James Blair

Expedition 68 crewmembers train for emergency scenarios in the Space Vehicle Mockup Facility at NASA's Johnson Space Center in Houston before their International Space Station mission. People photographed include: Koichi Wakata, Nicole Mann, Anna Kikina, Josh Cassada, Sergey Prokopyev, Dmitri Petelin, and Frank Rubio. Credit: NASA/James Blair.

Expedition 68 crewmembers train for the unlikely event of an emergency by training inside a mockup that models the real orbiting lab at NASA's Johnson Space Center in Houston, Texas in preparation for their upcoming International Space Station mission. Credit: NASA/James Blair

Expedition 68 trains for their upcoming International Space Station mission inside a mockup that models the real orbiting lab at NASA's Johnson Space Center in Houston, Texas. Credit: NASA/James Blair