Express News Service NEW DELHI: Indian Army on Tuesday de-commissioned two of its longest serving Artillery systems. The Mahajan Field Firing Ranges witnessed the decommissioning ceremony marked by the customary firing of last salvos of the 130mm Self Propelled M-46 Catapult Guns and the 160mm Tampella Mortars in the presence of the Director General Artillery Lieutenant General K Ravi Prasad, the head of the Arm of Artillery. The proud end of the systems followed a long operational experience. The 130mm Catapult, with a range of more than 27 km, was a successful merger of two existing weapon systems: Vijayanta tanks and 130mm M-46 guns.