No.
Except for Barry.
And he was wrong.
I came here to look for the answer not answer it myself cause I don't have the answer dummies
It is not a military custom it's a military command, 'stand at ease' means to relax from the 'stand to attention' command.
Depending on how it's used, it could stand for "Military Specification", meaning the ability to withstand shock, dust, or harsh environments.
The colonists should stop complaining about the king of England.
Military Specification
MPO stand for Military Police Officers.
to stand for leadership
economy health
It stands for Inner Solar Colonial Army
Doctor
It is the military term for a 'search and rescue dot.'
In Geography: Newly emerging economy