Illustration of the Radioplane KD2R-3 target drone.
U.S. Navy
Standard Aircraft Characteristics:KD2R-3 Radioplane / NAVER 1335 (Rev. 1-49) <a rel="nofollow" class="external autonumber" href="http://www.alternatewars.com/SAC/KD2R-3_SAC_-_1_August_1950.pdf">[1]</a>