As helmsman, Sulu pilots the U.S.S. Enterprise during its five-year mission. As third officer, Sulu often takes command in the absence of superior officers.
Embracing his half-Vulcan side, Spock applies logical and reason to solving problems encountered by the Enterprise.
Fresh out of Starfleet, the young and impressionable Chekov guides the Enterprise and heads security while also supplementing other areas onboard.
As Captain Kirk's personal yeoman, Rand coordinates all of his personal and professional needs.