[semaj]

(field hat is a top in Marine talk)

Not meaning to be an ass, but a Marine's hat is referred to as a cover.

[Marine_Uncle]

"Not meaning to be an ass, but a Marine's hat is referred to as a cover."

Your not the ass! I am! I know it is called a cover and for some reason called it a top. I think posting here has gone to my head.
Thanks for the public correction. I would not have noticed what I typed incorrectly!