It deployed to the European Theater of Operations (ETO), where it was assigned to VIII Fighter Command in England in late 1943.

In April 1944 it received P-51D Mustang fighter aircraft and continued its primary task of escorting B-17 and B-24 bombers that attacked such targets as industries and marshalling yards in Germany and airfields and V-weapon sites in France.

The squadron flew air patrols over the English Channel and bombed bridges in the Tours area during the Invasion of France in June 1944.

The unit patrolled the Arnhem sector to support the airborne operation in the Netherlands in September 1944, and in December, transportation facilities during the Battle of the Bulge.

The squadron was reactivated by the Strategic Air Command (SAC) in 1947 as a reconnaissance unit, equipped with RB-17 Flying Fortresses.

Gradually the RB-17s and other aircraft mapped the perimeter of the Soviet Air Defenses from the Baltic to the Sea of Okhotsk, north of Japan.

Weather Bravo took the same route within the United States but traveled east over the Labrador Sea and north of Goose Bay, Canada, then back to Forbes.