NROL-47 successfully launched by ULA's Delta IV rocket from Vandenberg

The Delta IV clears the tower after liftoff
Photo // ULA

 United Launch Alliance's (ULA) Delta IV rocket that was carrying the NROL-47 satellite launched from Space Launch Complex-6 (SLC-6) from California's Vandenberg Air Force Base. NROL-47 launched on January 12th at 2:11pm PST or 5:11pm EST for the United States National Reconnaissance Office (NRO) in support of the nation's defense systems. 

NROL-47 launched on ULA's Delta IV rocket in the Medium+

Delta IV leaps off the launch pad after igniting the two
SRBs
Photo//ULA

(5,2) configuration which is powered by the common booster core and two Solid Rocket Boosters (SRBs) manufactured by Orbital ATK. The core booster is powered by a RS-68A engine that uses liquid hydrogen and liquid oxygen as a fuel. The RS-68A is built by Aerojet Rocketdyne as well as the second stage RL10B-2 engine. The Delta IV Medium+ (5,2) launch vehicle was constructed in Decatur, Alabama. This is the 36th flight of the rocket since its inaugural launch in 2002.