The 321st Air Refueling Squadron is an inactive United States Air Force

United States Air Force

The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

 unit. It was last assigned to the 301st Bombardment Wing, stationed at Lockbourne AFB, Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

. It was inactivated on 15 March 1965

The squadron flew the KC-97 Stratotanker

KC-97 Stratotanker

The Boeing KC-97 Stratotanker was a United States strategic tanker aircraft based on the Boeing C-97 Stratofreighter. It was succeeded by the Boeing KC-135 Stratotanker.-Design and development:...

, providing air refueling to USAF units from 1952-1962. It was assigned to the following units

• Strategic Air Command
  Strategic Air Command
  The Strategic Air Command was both a Major Command of the United States Air Force and a "specified command" of the United States Department of Defense. SAC was the operational establishment in charge of America's land-based strategic bomber aircraft and land-based intercontinental ballistic...
  
  , 8 Dec 1953-8 Nov 1954 (Not manned or equipped)
• 321st Bombardment Wing, 8 Nov 1954-16 Sep 1956
• 26th Strategic Reconnaissance Wing, 16 Aug 1956-15 Apr 1958
• 301st Bombardment Wing, 15 Apr 1958-15 Mar 1965

Stations

• Sheppard AFB, Texas
  Texas
  Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...
  
  , 8 Dec 1953-8 Nov 1954
• Maxwell AFB, Alabama
  Alabama
  Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...
  
  , 8 Nov 1954-16 Sep 1956
• Lockbourne AFB, Ohio
  Ohio
  Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...
  
  , 16 Aug 1956-15 Mar 1965

The squadron was inactivated in 1965 as part of the phaseout of the KC-97 from SAC.