North American RTV-A-3 "NATIV" (North American Test Instrument Vehicle) rocket being prepared for a test launch in 1948.
Unknown author<span style="display: none;">Unknown author</span>
USAF via <a rel="nofollow" class="external autonumber" href="http://www.designation-systems.net/dusrm/app1/rtv-a-3.jpg">[1]</a>