Col. Michael Grismer, 436th Airlift Wing commander, left, presents a certificate and a new set of chevrons to Tech. Sgt. Helena Cox, 436th Aerial Port Squadron Port Dawg upgrade training facilitator, center, as he promotes her on the spot to technical sergeant Dec. 22, 2015, on Dover Air Force Base, Del. Grismer selected Cox for promotion to technical sergeant under the Stripes for Exceptional Performers program as Lt. Col. Jarod Blecher, 436th Aerial Port Squadron commander, right, stands by her side. (U.S. Air Force photo/Roland Balik)
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