How to use "uniformed" in a sentence

Two uniformed security men were performing first aid on the unconscious man, loosening his tie and collar, taking his pulse, while a third guard was keeping curious customers out of the way.

A uniformed security guard shouldered through the mob of curious onlookers and stooped next to Bruckster

Two uniformed men were anxiously fiddling with the control consoles beneath a series of twenty wall-mounted video displays