Pfc. Mathew Green, a native of Rogers, Ark., and Pvt. Aaron Grumm, of Sierra Vista, Ariz., both unmanned aerial vehicle operators, from the 66th Military Intelligence Company, 3rd Squadron, 3rd Armored Cavalry Regiment, based at Fort Hood, Texas, put together the ground data terminal antenna on top of a scissor lift, May 25, 2013. The GDTA provides data links between the ground control station and aerial vehicles. UAVs perform reconnaissance and even carry out attack missions from high above the battlefield.