Airman 1st Class Erika Antanovich from Monroe, Mich., communicates from a C-130 flight deck with Allentown, Pa.-native Airman 1st Class Mason Urland, left, and Coram, N.Y.-native Evan Dar as they conduct an electronic warfare sensor check during 365th Training Squadron mobility air force integrated communication, countermeasure and navigation systems apprentice course training at Sheppard Air Force Base, Texas, Sept. 13, 2018. On Sept. 14, the Airmen became the first graduates of the new course that trains heavy-aircraft maintainers on both communication/navigations systems as well as those of electronic warfare. The two career fields merged about four years ago. (U.S. Air Force photos by John Ingle)