http://www.icomamerica.com/press/index2000.asp#marines
June 1, 2000 - The U.S. Marine Corps has selected a special, modified version of Icom America's IC-4008A FRS radio for use as their new intrasquad radio (ISR). This new model will be known as the IC-4008M.
USMC ISR Radio
http://www.specwargear.com/images/commu ... -ISR-1.jpg