Drawing showing the engine arrangement of the Ryan FR <i>Fireball</i> with the Wright R-1820-72W <i>Cyclone</i> radial engine in the nose and the General Electric J31-GE-3 turbojet in the aft fuselage.
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/archpdf/ah194511.pdf">November 1945</a>, p. 44.