It was last assigned to the 319th Operations Group at Grand Forks Air Force Base, North Dakota, where it was inactivated on 16 July 1994.

From May 1955 to November 1957 it served in the reserves as the 46th Fighter-Bomber Squadron, standing air defense alert at its home station, Memphis Municipal Airport, during 1956 and 1957.

In June 1949, Continental Air Command, which had taken over reserve training in July 1948, reorganized its reserve flying units under the wing base organization system and the squadron moved to Reading Municipal Airport, where the 319th Bombardment Wing was formed to replace the 322d Bombardment Group.

In the late 1950s, Strategic Air Command (SAC) began to disperse its Boeing B-52 Stratofortress bombers over a larger number of bases, thus making it more difficult for the Soviet Union to knock out the entire fleet with a surprise first strike.

[17] As part of this program, SAC established the 4133d Strategic Wing at Grand Forks Air Force Base, North Dakota in 1958.

[19][18] Half the squadron's aircraft were maintained on fifteen minute alert, fully fueled and ready for combat to reduce vulnerability to a Soviet missile strike.

It was inactivated in 1994 with the drawdown of USAF strategic forces at the end of the Cold War and the conversion of the 319th Wing to an air refueling unit.

This article incorporates public domain material from the Air Force Historical Research Agency