Boeing expands the U.S Defense Department's highest capacity communications satellite constellation, with its sixth Wideband Global SATCOM (WGS) satellite, pictured here in the company's El Segundo facility, for a scheduled launch from Cape Canaveral, Florida in 2013. The first Wideband Global SATCOM satellite was launched Oct. 7, 2007 aboard an Atlas V launch vehicle. The second was launched April 3, 2009, also on an Atlas. The third satellite, the last of the Block I spacecraft, was launched on Dec. 5, 2009, aboard a Delta IV launch vehicle. The fourth satellite, the first in the Block II spacecraft, was launched on Jan. 19, 2012, also aboard a Delta. All four operational satellites are meeting or exceeding their mission requirements.