NEW DELHI — Japan will not take part in a joint naval exercise with India and the U.S. next month as its navy ramps up relief efforts after the massive earthquake and tsunami that has killed more than 10,000 people and threatened to trigger a nuclear disaster. The Japanese Maritime Self Defense Force was supposed to participate in the Malabar series of war games from April 2-10 off Okinawa.

NEW DELHI — The first test flight of the Indo-Israeli long-range, surface-to-air missile (LR-SAM), also called Barak-2, will be undertaken this year, says a senior official at India’s defense research agency.