Several changes occurred during the last half of 1954. On 24 August, Yuma County Airport was redesignated Yuma Air Force Base. On 1 September, the 4750th Training Wing became the 4750th Air Defense Wing (Weapons). The 4750th Group and squadrons were also redesignated. And on 8 January 1955, the 4750th Tow Target Squadron became the 17th TTS. Between July 1954 and the end of the year, ADC rotated eleven more squadrons through the Yuma program – nine in F-86Ds, and one each in F-94Cs and F-89Ds.