A United Launch Alliance Atlas V rocket launched the Advanced Extremely High Frequency (AEHF) 4 communications satellite for the U.S. Air Force on 17 October 2018 at 12:15 a.m. from Space Launch Complex 41 at Cape Canaveral Air Force Station as seen here in a time exposure looking north over the Indian River Lagoon. Click to view my AEHF-4 launch gallery.