A U.S. Navy North American PBJ <i>Mitchell</i> fires spin-stabilized 12.7 cm rockets from tubes in the nose of the aircraft at Naval Ordnance Test Station Inyokern, California (USA).
USN
<a rel="nofollow" class="external text" href="http://navalaviationnews.navylive.dodlive.mil/">U.S. Navy Naval Aviation News</a>/<a rel="nofollow" class="external autonumber" href="http://www.history.navy.mil/nan/backissues/newbackissues.htm">[1]</a> <a rel="nofollow" class="external text" href="http://www.history.navy.mil/nan/backissues/1940s/1949/Mar49.pdf">March 1949</a>, p. 13.