National Communications System
![NCS seal](/Images/godic/202501/29/US-NationalCommunicationsSystem-Seal.svg4756.png")
The National Communications System (NCS) was an office within the United States Department of Homeland Security charged with enabling national security and emergency preparedness communications (NS/EP telecommunications) using the national telecommunications system. The NCS was disbanded by Executive Order 13618 on July 6, 2012.