U.S. Air Force Staff Sgt. Chymann Lao, a cable and antenna systems specialist with the 202nd Engineering Installation Squadron (EIS), Georgia Air National Guard, digs a trench using a trencher with a backhoe attachment during a weeklong training exercise at Robins Air Force Base, Ga., June 11, 2015. More than 80 Airmen were certified in career-field tasks crucial to the unit’s deployed and homeland missions. The 202nd EIS supports the 116th Air Control Wing and is responsible for the fixed-communications infrastructures for 27 other locations, including the 165th Airlift Wing in Savannah, Georgia, and Air National Guard units in Puerto Rico and the U.S. Virgin Islands. (U.S. Air National Guard photo by Senior Master Sgt. Roger Parsons/Released)
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