#crew  the men who man a ship or aircraft
  supertype:  social_unit__unit  an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
  subtype:  aircrew  merchant_marine
  member of:  ship's_company
  member:  copilot  a relief pilot on an airplane
  member:  crew_member__crewman  a member of a flight crew
  member:  submariner  a member of the crew of a submarine

No statement uses or specializes crew; click here to add one.