A U.S. Air Force Republic F-105D <i>Thunderchief</i> (lower center) coming out of a bomb run against a rail line north of Hanoi, North Vietnam.
USAF
circa 1966 <div style="display: none;">date QS:P,+1966-00-00T00:00:00Z/9,P1480,Q5727902</div>
<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. 306.