nouns
the men and women who man a vehicle (ship, aircraft, etc.)
is a member of
crew of a ship including the officers; the whole force or personnel of a ship
is a type of (narrower)
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"
an organized group of workmen
an informal body of friends
"he still hangs out with the same crowd"
the team of men manning a racing shell
is a type of (narrower)
a cooperative unit (especially in sports)