The first predecessor of the unit was the 15th Radio Squadron, which was activated in 1951 and performed signals intelligence missions from locations in Japan and Korea during the Korean War.

[1] The 15th Radio Squadron, Mobile was organized at Brooks Air Force Base, Texas for service in the Korean War.

Recordings were dropped to the unit's Detachment 2, which had been established on Cho Do Island, off the coast of North Korea.

It became apparent that resumption of operations at Clark was neither financially or politically viable, and the squadron began to devote itself to the salvage and removal of equipment, except for a small contingent of linguists.

[3] Constituted as the 15th Radio Squadron, Mobile on 2 February 1951 This article incorporates public domain material from the Air Force Historical Research Agency