[5] The 561 NOS and 690 COG report to the 688th Cyberspace Wing, which is currently under the Sixteenth Air Force.

The ellipses signify the elements of the atom, the basis of all electronic/electrical equipment that the 2161st Communication Squadron operated and maintained.

The blue background indicated the United States Air Force primary theater of operations, the sky.

Inactivation unknown Detachments 3, activated on 5 Jul 2006 at Scott Air Force Base, IL.

Detachments 4, activated on 5 Jul 2006 at Arlington City, VA, inactivated on 31 Aug 2006.

Under the Capt Lord, the 2161st supported troops responsible for the BGM-109G Gryphon Ground Launch Cruise Missile.

[3] Royal Air Force Base, Greenham Common, United Kingdom, 1 Jul 1982 – 31 May 1991.