A U.S. Navy Ryan KDA-1 <i>Firebee</i> drone. The KDA (or USAF Q-2) was the predecessor of the later BQM-34. Note the circular nose inlet.
U.S. Navy
<a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/department_arch.html">U.S. Navy All Hands magazine</a> <a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/department_arch.html">U.S. Navy All Hands magazine</a> <a rel="nofollow" class="external text" href="http://www.navy.mil/ah_online/archpdf/ah195307.pdf">July 1953</a>, p. 42.