25U - Signal Support Systems Specialist is a military occupational specialty (MOS) in the United States Army Signal Corps. The signal support systems specialist supervises, installs, deploys, maintains, troubleshoots, trains, and assists the General Purpose User with Programs of Record and Commercial off the Shelf communications equipment, as appropriate, within the Tactical Operations Center (TOC), Command Post (CP), and vehicle platforms. This includes information systems support and Army Battle Command System (BCS) (e.g., Command Post of the Future (CPOF), Maneuver Control System (MCS), Force XXI Battle Command Brigade and Below(FBCB2), Blue Force Tracker (BFT), etc.); Communications and Electronic (C&E) equipment (e.g., Joint Tactical Radio System (JTRS), Frequency Modulation (FM) systems, High Frequency (HF) systems, Tactical Satellite (TACSAT) systems, hand held and manpack systems, etc.); Communications Security (COMSEC) devices (e.g., Automated Net Control Device (ANCD), Simple Key Loader (SKL), etc.); and telephone wire, Local Area Networks (LAN) and Routers. Performs field level unit maintenance on authorized C&E systems and COMSEC devices and prepares maintenance and supply requests for field level signal support. Disseminates and enforces signal policies and integrates signal systems and networks with adjacent units. Installs, Operates, and Maintains Radio Retransmission (RETRANS) operations and performs Preventive Maintenance Checks and Services on assigned vehicles and power generators.
Job training for a signal support systems specialist requires 10 weeks of Basic Combat Training and 18 weeks of Advanced Individual Training with on-the-job instruction. Training for MOS 25U is conducted at Fort Gordon, GA by the 369th Signal Battalion. Part of this time is spent in the classroom and in the field.
Some of the skills taught include