The 525th Fighter Squadron is a United States Air Force unit. It is assigned to the 3d Operations Group at Joint Base Elmendorf–Richardson, Alaska. The squadron was first activated as the 309th Bombardment Squadron in February 1942. After training in the United States, it was deployed to the Mediterranean Theater of Operations, where it became the 525th Fighter-Bomber Squadron and engaged in combat until the spring of 1945, earning two Distinguished Unit Citations. After VE Day, the squadron became part of the occupation forces in Germany. Briefly inactivated in 1946, it returned to Germany a few months later.

The 3rd Operations Group is the operational flying component of the United States Air Force 3rd Wing. It is stationed at Joint Base Elmendorf–Richardson, Alaska, and is assigned to Pacific Air Forces' Eleventh Air Force.