The second squadron antecedent was activated as the 6920th Security Squadron at Misawa Air Base, Japan in October 1978.
 When USAF Security Service became Electronic Security Command, the squadron was expanded to group size as the 6920th Electronic Security Group.

In October 1992, the unit became one of the operational components, with the Naval Security Group Activity, Misawa, a Marine company, and the 750th Military Intelligence Company, in the Misawa Cryptologic Operations Center.
The second squadron antecedent was activated as the 6920th Security Squadron at Misawa Air Base, Japan in October 1978.  When USAF Security Service became Electronic Security Command, the squadron was expanded to group size as the 6920th Electronic Security Group.
In October 1992, the unit became one of the operational components, with the Naval Security Group Activity, Misawa, a Marine company, and the 750th Military Intelligence Company, in the Misawa Cryptologic Operations Center.
301st Intelligence Squadron