TUBE TALK U.S. Marine Cpl. Tyler Stoker explains the workings of a weapon system to Japanese Sgt. 1st Class Kato Hiromaso during Forest Light, a field training exercise on Kirishima Training Area, Kyushu, Japan, Dec, 8, 2010. Stoker is a javelin and tube-launched, optically-tracked, wire-guided, anti-tank missile system team leader assigned to Weapons Company, Battalion Landing Team 1st Battalion, 7th Marine Regiment, 31st Marine Expeditionary Unit. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 822325-R-XXS61-766.jpg Photo Gallery