Lance Cpl. Tom L. Belcher, an ammunition technician with Combat Service Support Group 15, 1st Force Service Support Group, tightens gas mask straps on Pfc. Galvin J. Murphy, also an ammo. tech., before he handles mortars emitting phosphine gas Aug. 17. Their ten-man crew was detoxifying the mortars to make them safe to use in Iraq. (Photo by Lance Cpl. Ray Lewis) - Lance Cpl. Tom L. Belcher, an ammunition technician with Combat Service Support Group 15, 1st Force Service Support Group, tightens gas mask straps on Pfc. Galvin J. Murphy, also an ammo. tech., before he handles mortars emitting phosphine gas Aug. 17. Their ten-man crew was detoxifying the mortars to make them safe to use in Iraq. (Photo by Lance Cpl. Ray Lewis)