Video: ULA Delta IV NROL-27 Launch

United Launch Alliance Successfully launches Fourth NRO Mission in Six Months
“A United Launch Alliance Delta IV rocket carrying a payload for the National Reconnaissance Office lifted off from Space Launch Complex-37 here at 6:38 p.m. EST today. Designated NROL-27, the mission is in support of national defense. This marks the fourth NRO launch accomplished by ULA since Sept. 20, 2010 and occurred just six days after the Atlas V launch of the OTV-2 mission Previously, ULA launched NROL-41 on an Atlas V from Vandenberg AFB, Calif. on Sept. 20, 2010. Then it launched NROL-32 on a Delta IV Heavy from here Nov. 21, 2010 and on Jan. 20, ULA launched NROL-49 on a Delta IV Heavy from VAFB.”