The oxygen supply for the 53 crew members of an Indonesian submarine missing in waters off Bali is believed to have run out early Saturday with no sign of the vessel while the search resumed, bolstered by the arrival of a sonar-equipped Australian warship. The KRI Nanggala 402 went missing after its last reported dive Wednesday off the resort island, and concern is mounting it may have sunk too deep to reach or recover in time. The navy chief said the submarine was expected to run out of oxygen early Saturday morning. “We will maximize the effort today, until the time limit tomorrow at 3 a.m.,” military spokesperson Maj. Gen. Achmad Riad told reporters Friday. A news conference was scheduled for later Saturday morning. There have been no signs of life from the submarine, but family members held out hope that the massive search effort would find the vessel in …