From ULA press release:
“A United Launch Alliance (ULA) Atlas V rocket carrying the Space Based Infrared System Geosynchronous Earth Orbit (SBIRS GEO) Flight 5 mission for the U.S. Space Force’s Space and Missile Systems Center (SMC) lifted off on May 18 at 1:37 p.m. EDT from Space Launch Complex-41 at Cape Canaveral Space Force Station.”
The rocket flew in the 421 vehicle configuration with a four-meter fairing, two solid rocket boosters, and a single-engine Centaur upper stage.
Photos taken from Playalinda Beach, a distance of about 6 miles.
© Dennis Huff