Doug Hurley and Bob Behnken revealed the name of their Crew Dragon capsule 206, "Endeavour", shortly after launch, reviving another old tradition from the Mercury, Gemini, and Apollo programs where astronauts would name their spacecraft. It was the third U.S. spacecraft named "Endeavour", after the Space Shuttle "Endeavour", built in 1991 to replace , which was destroyed in 1986, and the Apollo command and service module used for the Apollo 15 mission in 1971. Hurley said that they chose "Endeavour" as both his and Behnken's first flights to space were on the .