sentences:  In April 1991, the 57th Signal Battalion and all other 3d Signal Brigade assets were released from attachment and returned to Fort Hood, Texas.On 4 January 2004 313th Signal Company, 57th Signal Battalion, and elements of the HHC, 3d Signal Brigade were once again deployed to Southwest Asia (SWA) in support of Operation Iraqi Freedom II (OIF II).For the first time in its history, the entire HHC, 3d Signal Brigade deployed overseas in support of a real world mission.