Just Breathe
Senior Airman Mary Thach, a photojournalist with the Nebraska Air National Guard’s 155th Air Refueling Wing, and Senior Airman Bristol Prai, a video broadcaster with the 155th ARW, rest against one another in full chemical suits as they participate in the Ability to Survive and Operate exercise at the Nebraska National Guard air base in Lincoln, Neb., June 11, 2013. Members of the 155th ARW participated in the ATSO to evaluate and improve their capabilities and skills in a wartime scenario. (U.S. Air National Guard photo by Staff Sgt. James Lieth/Released)