Stephen Bowen, American engineer, captain, and astronaut

Stephen Gerard "Steve" Bowen is a United States Navy submariner and a NASA astronaut; he was the second submariner to travel into space. Bowen has been on four spaceflights, the first three of which were Space Shuttle missions to the International Space Station. His first mission, STS-126, took place in November 2008, and his second was STS-132 in May 2010. His third was STS-133 in February 2011, and his fourth was SpaceX Crew-6 in March 2023.