Chaparral, towed and self-propelled
U.S. Army Air Defense Artillery School
1986
<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/imgsrv/download/pdf?id=uiug.30112105118571;orient=0;size=100;seq=24;attachment=0">Air Defense Artillery</a>, Fall 1986, Page 22