The Tomb of the Unknowns in Arlington is always at half mast. The only US flag never at half mast is on the moon.
Arlington National Cemetery
The mast of a ship is very important to the movement and navigation of the ship.
You are describing the mast.
The main mast is the tallest of all masts on the ship. If all masts are the same height, then the one with the top navigationlight is the main mast. If there is only one mast, then that would be the main mast.
A mast
the lookout who was stationed at the top of the mast
A mast
mast
No it is not.
mast
There is Pearl Harbor, Arlington Memorial, and The Tomb of the Unknown Soldier.