21st Airship Group
The 21st Airship Group was a unit of the United States Army Air Corps. It was last assigned to the 3d Wing at Scott Field, Illinois. It was originally activated under a different name in 1921, and disbanded on 27 May 1939. A predecessor of the group served on the Western Front in France during World War I. For most of the period between the two World Wars, the group was the only active lighter-than-air headquarters in the United States Army Air Service and, later, the United States Army Air Corps. History The 2d Balloon Squadron, a predecessor of the group was activated during World War I and deployed to Western Front in France. The squadron was credited with participating in the Meuse-Argonne offensive (8–17 October 1918). The unit was demobilized as the I Corps Balloon Group in December 1918. The 1st Balloon Group was organized in the fall of 1921 to support the Air Service Balloon and Airship School at Brooks Field, San Antonio, Texas. However, a series of mishaps in operating the hydrogen-filled craft led to the transfer of the school from Brooks to Scott Field, Illinois, on 26 June 1922. Lighter-than-air ships were used at Scott Field