A United
Launch Alliance Delta IV-Medium rocket carrying the fourth Wideband
Global SATCOM satellite is rolled out in preparation for launch Jan. 19,
2012, from Cape Canaveral Air Force Station, Fla. WGS-04 is the first
craft in the program's upgraded Block 2 series, which adds a radio
frequency bypass capability designed to support airborne intelligence,
surveillance and reconnaissance platforms requiring ultra-high bandwidth
and data rates. (U.S. Air Force photo/Patrick Corkery)