The 17th Training Wing is a United States Air Force unit assigned to the Air Education and Training Command Second Air Force. It is stationed at Goodfellow Air Force Base, Texas. The wing is also the host unit at Goodfellow. It was activated as a non-flying wing on 1 July 1993. Its mission is to train intelligence personnel in all the branches of the armed forces, as well as firefighters and a few other specialties. The wing trains Air Force enlisted intelligence, cryptology and linguist AFSCs 1N0, 1N1, 1N2, 1N3, 1N4, 1N5, 1A8, Air Force intelligence officer AFSC 14N, and military firefighters from all branches. Many corresponding Army, Navy, Space Force, and Marine Corps intelligence personnel are also trained at Goodfellow AFB, and assigned to the local units.

The Second Air Force is a USAF numbered air force responsible for conducting basic military and technical training for Air Force enlisted members and non-flying officers. In World War II the CONUS unit defended the Northwestern United States and Upper Great Plains regions and during the Cold War, was Strategic Air Command unit with strategic bombers and missiles. Elements of Second Air Force engaged in combat operations during the Korean War; Vietnam War, as well as Operation Desert Storm.