Delta IV Medium+ (5,4) The Mobile Service Tower is retracted, revealing the Delta IV rocket.
Star Trails over Port Canaveral This 11 minute composite exposure depicts the flight of ULA's Delta IV Medium+ (5,4) rocket carrying WGS-8 to orbit.
Delta IV's Signature Hydrogen Fireball Free hydrogen around the Aerojet Rocketdyne RS-68A engine ignites seconds before liftoff of the Delta IV Medium+ rocket.
Ignition and Liftoff Seen from 1,000 feet away, the Delta IV begins its climb off the launchpad.
Maximum Power Delta IV's RS-68A main engine and four GEM-60 solid rocket boosters provide nearly 1.5 million pounds of thrust.
Delta IV Clears the Tower The Delta IV Medium+ rocket and WGS-8 payload begin their journey to space.
Hot Rocket The Delta IV Medium+ (5,4) is the hottest single-stick variant of the Delta IV line.
Delta IV in Flight The Delta IV Medium+ rocket and WGS-8 payload begin their journey to space.
Pillar of Flame The WGS-8 payload rides to orbit atop a pillar of flame and smoke.