Hatch - door , overhead - ceiling , deck - floor , head - bathroom , etc . . . see related link below to an extensive list .
pal means friend. bro buddy
No lol
Navy, army, the US pilots and the FBI
The US Navy SEALS is a Special Operations Group of the US Navy
Not sure but I would think the NAVY
air force and navy
In 1798, the U.S. Navy and U.S. Marine Corps were created
The US Navy.
There arte lots of slangs for them.
The main reason is that until October 13, 1775, the colonies had no navy at all, and even then it was quite minimal.
The US Army is not part of the US Navy . EDIT: The Marine Corps is technically part of the Navy
I haven't heard that term when relating to the US Navy. But in the Royal Navy SDG is a scubadiver