113th Fighter-Interceptor Squadron

113th Air Support Operations Squadron
Historical Aircraft assigned to the 113th Air Support Operations Squadron
Active	1917–1919' 1923–1943; 1946–1952; 1953–present
Country	United States
Allegiance	Indiana
Branch	Air National Guard
Type	Squadron
Role	Air Support Operations
Part of	Indiana Air National Guard
Garrison/HQ	Terre Haute Air National Guard Base, Indiana
Nickname(s)	Racers
Insignia
113th Air Support Operations Squadron emblem (approved 5 January 1954)
Patch with 113th Observation Squadron emblem
Tail Codes	HF (1979–1991) TH (1991–2008)

The 113th Air Support Operations Squadron is a unit of the Indiana Air National Guard 181st Intelligence Wing located at Terre Haute Air National Guard Base (Hulman Field), Indiana.

The squadron is a descendant organization of the World War I 113th Aero Squadron, established on 26 August 1917. It was reformed on 1 August 1921, as the 113th Observation Squadron, and is one of the 29 original National Guard Observation Squadrons of the United States Army National Guard formed before World War II.

Unit was formed as 113th Aero Squadron in August 1917 at Kelly Field, Texas and then assigned as an aviation unit with the Pennsylvania National Guard, however apparently performed support duties as a supply unit. Redesignated the 634th Aero Squadron in 1918 Did not deploy to France as part of the American Expeditionary Force (AEF). Squadron was demobilized in March 1919.

Re-formed and its honors and lineage was combined (in 1936) with those of the 137th Squadron, Indiana NG, which had activated at Fagley Field, Indiana during August 1921 (equipped with Curtiss Jennies). Redesignated the 113th Observation Squadron on 25 January 1923, the unit relocated to Schoen Field and then Stout Field (formerly Mars Hill), Indianapolis in October 1926.

The squadron, or elements thereof, called up to perform the following state duties: aerial surveillance of labor troubles in Vanderburg and Warwick Counties 22 February-23 March 1926; flood relief duties at Hazelton-Vincennes, IN, during the Wabash River flood 15–21 January 1930; aerial mapping survey of the state of Indiana in 1930; aerial surveillance of labor troubles during a coal miners’ strike at the Dixie Bee Mine August–October 1932; flood relief efforts along the Ohio River in southern Indiana during January–February 1937. Supported the training of the 7th Cavalry Brigade at various times 1934–36. Conducted summer training at Wright Field, OH, or Godman Field, 1922–40.