Constituted 525th Bombardment Squadron (Heavy) on 28 Oct 1942. Activated on 3 Nov 1942. Inactivated on 25 Jul 1945. Redesignated 525th Bombardment Squadron (Medium) on 12 Jul 1955. Activated on 1 Nov 1955. Redesignated 525th Bombardment Squadron (Heavy) on 9 Jan 1961. Discontinued, and inactivated, on 1 Feb 1963.

Assignments. 379th Bombardment Group, 3 Nov 1942-25 Jul 1945. 379th Bombardment Wing, 1 Nov 1955, 19th Bombardment Wing, 9 Jan 1961, 4136th Strategic Wing, 15 Mar 1961-1 Feb 1963.

Stations. Geiger Field, Wash, 3 Nov 1942; Wendover Field, Utah, 2 Dec 1942; Sioux City AAB, Iowa, 2 Feb-9 Apr 1943. Kimbolton, England, 20 May 1943-c. 16 Jun 1945; Casablanca, French Morocco, 17 Jun-25 Jul 1945 Homestead AFB, Fla, 1 Nov 1955; Minot AFB, ND, 8 Mar 1961-1 Feb 1963.

Aircraft. B-17, 1942-1945. B-47, 1956-1961, B-52, 1961-1963.

Operations. Combat in ETO, 29 May 1943-25 Apr 1945.

Service Streamers. None.

Campaigns. Air Offensive, Europe, Normandy; Northern France, Rhineland, Ardennes-Alsace, Central Europe; Air Combat, EAME Theater.

Decorations. Distinguished Unit Citations: Continental Europe, 29 May 1943-31 Jul 1944, Germany, 11 Jan 1944.

Emblem. On an Air Force blue disc bordered Air Force golden yellow, a cloud formation divided bend sinisterwise gray and white, an Air Force golden yellow lightning flash issuing from the division to dexter chief, the white part of the cloud surmounted in sinister by a knight's helmet in profile, silhouetted gray; over all bendwise a red and white missile. (Approved 10 Jan 1962.)