Tech. Sgt. Laura Johnson, 22nd Civil Engineer Squadron engineering assistant, participates in box pushups, Aug. 21, 2014, at McConnell Air Force Base, Kan. Airmen from the senior NCO professional enhancement seminar and Airman Leadership School competed in a combat challenge to foster camaraderie between the future NCOs and future senior NCOs. (U.S. Air Force photo/Airman 1st Class David Bernal Del Agua)
Airman 1st Class David Bernal Del Agua
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