United Launch Alliance's Atlas V AEHF-4 rocket launches Oct. 17, 2018, from Cape Canaveral Air Force Station, Fla. This was the fourth communications satellite in the Advanced Extremely High Frequency series for the Air Force. The Defense Contract Management Agency provided quality assurance, engineering and analysis, and contract administration for the Air Force’s purchase of the AEHF-4 satellite. (Air Force photo by Airman 1st Class Dalton Williams)