331st Bombardment Group
Overview
 
The 331st Bombardment Group 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 315th Bombardment Wing
316th Air Division
The 316th Airlift Division is an inactive United States Air Force organization. Its last assignment was with the United States Air Forces in Europe, assigned to Seventeenth Air Force, being stationed at Ramstein Air Base, Germany...

, being stationed at Northwest Field
Northwest Field (Guam)
Northwest Field is a former World War II airfield on Guam in the Mariana Islands. It was closed in 1949 and is unused.-History:Northwest Field was constructed in 1944–45 near Ritidian Point on the northwest end of the island of Guam as a base for Twentieth Air Force B-29 Superfortresses to carry...

, Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. It was inactivated on 15 April 1946.

The unit was temporarily reactivated at Randolph AFB, Texas, in 2008 as the 331st Air Expeditionary Group, a special unit formed to support Hurricane Ike
Hurricane Ike
Hurricane Ike was the second-costliest hurricane ever to make landfall in the United States, the costliest hurricane ever to impact Cuba and the second most active hurricane to reach the Canadian mainland in the Great Lakes Region after Hurricane Hazel in 1954...

 relief efforts. Units and personnel assigned to the 331st came from both the active and reserve components of the Air Force and Navy.http://www.1af.acc.af.mil/media/archive/story.asp?id=123115481

During World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, the unit was initially a B-17 Flying Fortress and B-24 Liberator
B-24 Liberator
The Consolidated B-24 Liberator was an American heavy bomber, designed by Consolidated Aircraft of San Diego, California. It was known within the company as the Model 32, and a small number of early models were sold under the name LB-30, for Land Bomber...

 operational training unit (OTU).
 
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