Lineage. Constituted as 23 Photographic Technical Unit on 11 Sep 1946. Activated on 15 Oct 1946. Inactivated on 14 Mar 1949. Redesignated as: 31 Reconnaissance Technical Squadron on 16 Oct 1984; 531 Intelligence Squadron on 17 Jun 2015. Activated on 1 Jul 2015.
Assignments. Caribbean Air Command, 15 Oct 1946; 5700 (later, 5700 Composite) Wing, 26 Jul 1948-14 Mar 1949. 543 Intelligence, Surveillance, and Reconnaissance Group, 1 Jul 2015-.
Stations. Albrook Field (later, Albrook AFB), Canal Zone, 15 Oct 1946-14 Mar 1949. Joint Base San Antonio-Lackland, TX, 1 Jul 2015-.
Service Streamers. None.
Campaign Streamers. None.
Armed Forces Expeditionary Streamers. None.
Decorations. None.
Lineage, Assignments, Stations, and Honors through 16 Jul 2015.
Emblem. Approved on 2 Nov 2015.
Prepared by Daniel L. Haulman.