New bill aims to expand coverage for military veterans exposed to toxic hazards United States Department of Defense, Sgt. Jason W. Fudge photographer U.S. Marines with 1st Marine Logistics Group (1st MLG) burn black water aboard Taqaddum, Iraq September 22, 2008. Brig. Gen. Robert R. Ruark, Commanding General, 1st MLG, watched the event because this was the last time burning this specific black water pit before filling it in with sand. (U.S. Marine Corps photo by Sgt. Jason W. Fudge\RELEASED) By: John Riley and last updated 2021-05-25 16:51:45-04 Chairman of the Senate Veteransâ Affairs Committee Jon Tester (D-MT) unveiled proposed legislation Tuesday that is intended to expand benefits and improve care for veterans suffering from toxic exposure.