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.
Montgomery Scott (“Scotty”)
As Chief Engineer, the no-nonsense Scotty works miracles in repairing and maintaining The Enterprise. Scotty also takes command in the absence of Kirk or Spock.