Posted by Championship_Vinyl at 199.234.88.30 on February 13, 2003 at 12:41:59:
In Reply to: 4F? posted by Something-Like-37 on February 13, 2003 at 12:29:09:
"Unfit for military service."
Basically, one can be classified 4F for certain physical or mental ailments that would almost certainly cause them to be killed in combat.