Staff Sgt. Samuel Wright, a Headquarters &amp; Headquarters Squadron explosive ordnance technician, inspects powders and unmarked bottles during a training exercise held at Marine Corps Air Station Yuma, Ariz., Nov. 12. Donning a lightweight self-contained breathing apparatus (SCBA) Tychem-F chemical protective suit and using a variety of different indicating tools at his disposal, Wright looks for indicators in order to decide the next appropriate step to take during the scenario.
Cpl. Uriel Avendano
Taken on 5 November 2013
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