Indonesian Military (TNI) chief Gen. Djoko Santoso said Monday only half of the aging war machines to be used in a joint military exercise had been safety tested, but he was confident the exercise would go well. "Safety in the war exercise does not depend only on weaponry but also on human resources," he said after opening the joint exercise at the Air Force Headquarters at the Halim Perdanakusuma Airport in East Jakarta. The military chief said the TNI had sought to maximize maintenance of the aging weaponry to ensure safety, given the limited budget available for replacing the equipment. Earlier last week, President Susilo Bambang Yudhoyono again ordered TNI to ground its aging military equipment after a series of air and sea accidents. The latest accident occurred Feb. 3 when a 46-year-old amphibious tank sunk during a military drill in the wate...