 During the postwar years, the 181st primarily trained over the northern part of the state, while the other two squadrons of the 136th Group, the 111th Fighter Squadron, at Ellington Air Force Base and the 182d Fighter Squadron, at Brooks Air Force Base, near San Antonio, trained in southeastern Texas and the Texas Hill Country.With the breakout of the Korean War in October 1950, the 136th Fighter Group was one of the first Guard units to be federalized and went on active duty, along with the 111th and 182d Fighter Squadrons and moved to Langley Air Force Base, Virginia.The 181st Fighter Squadron remained in the Texas Air National Guard and was assigned directly to its headquarters.