The Army will begin experimenting with prototype big guns in the Arizona desert next week to assess the potential for mounting artillery on wheeled vehicles, conducting live-fire tests of extended-range, soft-recoil technology paired with new tubes, including a Next-Generation Cannon, to possibly replace towed systems now vulnerable to counterbattery fire. Last month, AM General delivered to the Army’s program manager for towed artillery systems a pair of Extended Range Soft Recoil systems for live fire and mobility testing at Yuma...