Rescuers battle waves, wind in hunt for missing Argentine sub

A multinational armada of aircraft and vessels battled high winds and giant waves Sunday as they intensified their search for a missing Argentine submarine, after attempted distress calls raised hopes the 44 crew members may still be alive.There has been no contact with the ARA San Juan, a German-built diesel-electric sub, since early Wednesday."The effort has tripled," Argentina's navy spokesman Enrique Balbi told reporters Sunday of rescue efforts, adding that no theory had yet been ruled out