Lance missile system tracked self-propelled artist sketch shortly after it was renamed (<i>Missile B</i>)
U.S. Dept of Defense
<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/imgsrv/download/pdf?id=uiug.30112106756189;orient=0;size=100;seq=103;attachment=0"><i>Military Review</i></a>, February 1963, Page 101