Joint Worldwide Intelligence Communications System
![Behind the Green Door secure communications center with SIPRNET, NMIS/GWAN, NSANET, and JWICS access](/Images/godic/202501/21/Intel_GreenDoor2051.jpg")
The Joint Worldwide Intelligence Communications System (JWICS pronounced JAYwicks), is a Top Secret/SCI network run by the United States' Defense Intelligence Agency and used across the Department of Defense, Department of State, Department of Homeland Security and Department of Justice to transmit especially sensitive classified information.