While descending an outdoor stairwell and just before stealing a truck, Rabb has large sweat stains under his neck and arms. After being chased out into the field, the stains are gone.
During a confrontation the visiting vice admiral threatens to take away Chegwidden's "bars on his sleeves", but that's not a correct expression. Naval officers do not wear BARS on their sleeves; they wear STRIPES on the sleeves of their dress blues. In the real world of the US Navy, the visitor would threaten either his stripes or his stars (the stars of a flag officer).