U.S. Airman 1st Class James Williams, 97th Civil Engineer Squadron water and fuel system maintenance apprentice, takes a tactical vest during a Prime Base Engineer Emergency Force exercise, May 26, 2014. The CES conducts the exercise once a month to keep their personnel qualified for contingency operations such as convoys, security, medical and structural procedures. (U.S. Air Force photo by Senior Airman Franklin R. Ramos/Released)
Senior Airman franklin ramos
2014-05-26
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