Like the Atlas V, the Vulcan supports optional solid rocket boosters (SRBs) that are attached radially around the first stage. The Vulcan will use larger versions of the GEM-63 SRBs currently ...

Atlas V is powered by two RD-180 rocket engines, paired for this flight with two solid rocket boosters (SRBs). The launch vehicle's first stage stands 106.5 feet (32.5 meters) tall, and is joined ...

CAPE CANAVERAL, Fla. - The United Launch Alliance (ULA) successfully launched the Atlas V rocket's final national security mission from Florida early Tuesday. The rocket lifted off at 6:45 a.m ...