During the 1970s, the number of acquired Soviet aircraft increased to include MiG-21s and MiG-23s, and the use of the facility at Groom Lake to train new Agressor pilots was becoming more and more awkward.
The number of aircraft and the expanded use of the facility at Groom Lake to train new Aggressor pilots was becoming more and more awkward. During the 1970s, the number of acquired Soviet aircraft increased to include MiG-21s and MiG-23s.
During the 1970s, the number of acquired Soviet aircraft increased to include MiG-21s and MiG-23s. The number of aircraft and the expanded use of the facility at Groom Lake to train new Aggressor pilots was becoming more and more awkward.
During the 1970s, the number of acquired Soviet aircraft increased to include MiG-21s and MiG-23s. The number of aircraft and the expanded use of the facility at Groom Lake to train new Aggressor pilots was becoming more and more awkward.