The YF-12A was used as an interceptor and was created by modifying the A-12. in 1962, and it took its first successful Groom Lake flight in the following year. Due to budget concerns, this model never went into production.
The YF-12A was used as an interceptor and was created by modifying the A-12. in 1962, and it took its first successful Groom Lake flight in the following year. Due to budget concerns, this model never went into production.