CAPE CANAVERAL AIR FORCE STATION, Fla. -- A United Launch Alliance Delta IV booster is erected from horizontal to vertical on Pad 37. The Launch Vehicle on Stand erection took place Oct. 11, 2011. The rocket is being prepared for the launch of Wideband Global Satcom-4 scheduled Jan. 19, 2012. (U.S. Air Force photo/Julie Dayringer)