USMC Upgrading its AAV7s With M36E3 Thermal Sights by Joe Katzman | Aug 6, 2007 | Conferences & Events, Contracts - Awards, Delivery & Task Orders, Forces - Marines, L3 Communications, Raytheon, Sensors & Guidance, Tanks & Mechanized, USAAAV7s, Somalia(click to view full) The Upgraded M36E3 Thermal Sight System is designed to improve the USMC’s AAV7 “Amtracs” amphibious vehicles; as Military Aerospace & Electronics notes, the Amtracs don’t have thermal sights. Instead, the...