Two U.S. Air Force Convair F-102 <i>Delta Dagger</i> (s/n 56-0967, 56-1192) from the 509th Fighter Interceptor Squadron at Tan Son Nhut air base, Vietnam, in 1966.
USAF
1966
<a rel="nofollow" class="external text" href="http://www.afhso.af.mil/">U.S. Air Force Historical Studies Office</a> publication <a rel="nofollow" class="external text" href="http://www.afhso.af.mil/shared/media/document/AFD-100526-034.pdf">Gradual Failure: The Air War over North Vietnam 1965-1966 (AFD-100526-034)</a> p. 17.