U.S. Air Force Master Sgt. Christopher Philibotte (left), Staff Sgt. James Medeiros (center) and Staff Sgt. Conner Bailey, 260th Air Traffic Controller Squadron, perform maintenance on a field deployable environmental control unit in Ramstein, Germany, June. 6th, 2019. The North Carolina Air National Guard, along with New Hampshire and Maine Air National Guard, flew to Ramstein Air Base, Germany to work with active duty 1st Combat Communications Squadron. The Air National Guard units assisted in training the active duty unit with set-up, use, and tear-down of a mobile tower and deployable tactical air navigation system. (Courtesy Photo by SrA Tsua Yang)