The 261st Theater Tactical Signal Brigade (TTSB) is a unit in the Delaware Army National Guard, with a home station in Smyrna, Delaware. The 261st Theater Tactical Signal Brigade (TTSB) provides command and control to assigned and attached units. The 261st Signal Brigade supervises the installation, operation, and maintenance of up to 16 NODES in the theater communications system excluding the division and corps systems. The brigade also hosts a Joint Command, Control, Computer and Communications (C4) Center, or JCCC, at its headquarters in Smyrna, Delaware.