The Flag
Since the American flag is the whole American nation’s symbol, it deserves great respect. Soldiers immediately stand and even salute at times as the flag is being raised. No knee-droppers here, for sure.
Back To The Wall
When your back is to the wall, it doesn’t mean you have nowhere else to go. Actually, it means you’re safe since there is no need to look behind you and you can just focus on watching out for threats in front of you. Soldiers usually choose a seat right in front of a wall even when they are in civilian life.