United States Army Communications-Electronics Command

The U.S. Army Communications-Electronics Command (CECOM) is a Life Cycle Management Command (LCMC) of the United States Army headquartered at Aberdeen Proving Ground, Maryland. It is one of four such commands under the Army Materiel Command (AMC). CECOM is the Army's provider and maintainer of command, control, communications, computers, cyber, intelligence, surveillance, and reconnaissance (C5ISR) equipment.
CECOM has approximately 13,000 military, civilian and contract personnel across five reporting organizations:

Army Medical Logistics Command, Fort Detrick, Maryland;
Information Systems Engineering Command, Fort Huachuca, Arizona;
CECOM Army Software and Innovation Center, Aberdeen Proving Ground, Maryland;
CECOM Integrated Logistics Support Center, Aberdeen Proving Ground, Maryland;
Tobyhanna Army Depot, Pennsylvania.