| Unit Name: | 40th Military Airlift Squadron |
| Dates: | 1942–1968 |
| Country: | United States |
| Branch: | United States Air Force |
| Type: | Airlift |
The 40th Military Airlift Squadron is an inactive United States Air Force unit. Its last assignment was to the 438th Military Airlift Wing, Military Airlift Command, stationed at McGuire Air Force Base, New Jersey.
It was inactivated on 4 March 1968.
The unit was activated as the 40th Ferrying (later, Transport) Squadron under Ferrying (later Air Transport) Command at Canton Island Airport, Gilbert Islands, in August 1942. It ferried various aircraft, including A-20s, B-17s, B-24s, B-25s, B-26s, P-38s, P-40s, C-46s, and C-47s, to destinations in the Pacific Theater. The squadron also provided a maintenance service for transient aircraft until inactivated on 30 September 1943.
It was reactivated in 1954 under Military Air Transport Service at Dover AFB, Delaware in 1954. The squadron flew very long range C-124 Globemaster intercontinental transport aircraft carrying passengers and cargo, throughout the MATS Atlantic Division, to Europe, Africa and the Middle East.
It was inactivated in 1960.
The squadron was reactivated again in 1962 at McGuire AFB, New Jersey and equipped with the C-135A/B jet transport. It carried cargo between the US and Vietnam until it was inactivated in 1968 when MAC C-135 operations came to an end.
Activated on 17 August 1942
Redesignated: 40th Transport Squadron on 1 March 1943
Disbanded on 30 September 1943
Activated on 8 March 1954
Inactivated on 8 December 1960
Redesignated as 40th Air Transport Squadron, Medium on 8 January 1962
Redesignated as 40th Military Airlift Squadron on 8 January 1966
Inactivated on 4 March 1968