Model of the floating platform mine detector, utilizing a ground effects machine (GEM) carrier, being tested at Fort Belvoir, Virginia.
U.S. Dept of the Army
1963
<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/imgsrv/download/pdf?id=uiug.30112106756213;orient=0;size=100;seq=97;attachment=0"><i>Military Review</i></a>, August 1963, Page 95