By Sgt. 1st Class Derek Green, Research Development Test & Evaluation NCO, Fire Support Test Directorate, U.S. Army Operational Test Command Public Affairs FORT RILEY, Kans. — Field Artillery Soldiers here are testing the new M109A7 Family of Vehicles (FoV) 155mm / 39 caliber Self-Propelled Howitzer (SPH) and the M992A3 FoV Carrier Ammunition Tracked (CAT). […]