Navy jokes gay

A Navy Chief rolls onto base and sees two marines, one is digging a hole and the other marine is filling in a hole behind him. He doesn’t think much of it until lunch when he goes for a walk and sees the two still at and a whole line of freshly dug and filled in holes.
Years ago I heard it as, how do the Greeks separate the men from the boys with a crowbar. Why do navy use powdered soap? It’s harder to pickup! So you're saying we need more seamen in the Catholic church? I thought it meant they used to gave a thrashing with crowbar to the boys and make them into men. But does it mean something different?.