She is a "sailor" or better yet "shipmate" in Navy parlance, not a soldier.
Also, she is not an MP, but a SP (Shore Patrol)
Might be an MA (Master-at-Arms), not the same as SP.
'Four legs good, two legs baaaad." ---------------------------------------------- "Jimmy, some of it's magic, Some of it's tragic, But I had a good life all the way." (Jimmy Buffett)