NEW DELHI, Aug. 29 -- The Indian Army has signed a letter of offer and acceptance (LOA) to buy the Javelin anti-tank guided missile system from the United States through its foreign military sales process, a move the US said would further deepen bilateral defence cooperation. The sale will be worth $45.7 million. The missile system is designed for use against a wide array of targets, including armoured vehicles and fortified positions. P7...