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

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.