
ULA's Delta IV Heavy set for classified NRO mission launch.
United Launch Alliance is set to launch the penultimate Delta IV Heavy rocket with the NROL-68 mission from Space Launch Complex-37 at Cape Canaveral Space Force Station. The rocket consists of 3 core boosters and produces 2.1 million lbs of thrust at liftoff. The launch was delayed due to an undisclosed issue during pre-launch checkouts. The launch window extends until 7:45 AM ET and weather conditions will be monitored. The payload is classified and the live stream will end after payload fairing separation.
