The Titan rocket, for 50 years a workhorse space lifter, made its final flight from Vandenberg AFB, Calif. today with Aerojet first- and second-stage liquid rocket engines powering the massive vehicle ...

ULA’s Delta IV Heavy on its launchpad at Cape Canaveral Space Force Station in Florida. Photo: C&J Images The grand Delta finale is upon us, as United Launch Alliance (ULA) prepares to launch its last ...