Never memorized the Grunt stripes. Is he an E5 or E6?Navy, he'd be at least an E7 to be a DI...
Lot of E6 (Chief) types kicking butts when I was in boot... Granted, that was some 40+ years ago, but I don't think it's changed.
Who cares if it's staged? It still brought back warm, fuzzy memories of that sweet, soothing voice, saying, "WHAT?!? NO!!! HELL NO!!! WHAT THE F**K'S WRONG WITH YOU?!?"
They say your memory is the second thing to go. http://www.navy.mil/navydata/navy_legacy_hr.asp?id=260
Enough of the military rank stuff...