An Atlas V carrying the Advanced Extremely High Frequency-4 satellite aboard is rolled out to the pad in anticipation of its scheduled launch, Oct. 17, 2018, at Cape Canaveral Air Force Station, Fla. The launch window opened at 12:15 a.m. EDT. The Defense Contract Management Agency Lockheed Martin Sunnyvale team recently completed its role in delivering the Air Force’s AEHF-4 satellite. (Air Force Photo by Walter Talen)