Enactment of the Marine Corps

Q: Why did congress enact the Marine Corps?
A: So, the sailors would have someone to dance with!

Tracks

Three Marines were walking through the forest when they came upon a set of tracks. The first Marine said, "those are deer tracks".  The second Marine said, "No, those are elk tracks".  The third Marine said, "You're both wrong, those are moose tracks".  The Marines were still arguing when the train hit them.

Elephant With A Machine Gun

Q: What do you call an elephant with a machine gun?
A: Sir!