Army units allowed you to wear civvie glasses but at unit commander discretion, ie you have a pair that looks like you stole them from Flava Flav, forget it.
Oh and Imperator I do believe that young man has crossed rifles on his left lapel!

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"I am no Martin Luther King or Ghandi motherfucker. I have no idea what those guys were talking about. You spit on my ass, I will knock you out. No motherfucking marching and singing in the street for me." - Jim Brown, NFL Hall-of-Famer and Cleveland Browns running back, 1957-1965