Argentina analyzing sounds in search for missing submarine

Marina Devo/AP

School teachers hang a sign with the colors of the Argentine flag that reads in Spanish “ARA San Juan, we wait for you” on a the fence at the Navel base in Mar del Plata, Argentina, Monday.

MAR DEL PLATA, Argentina — Experts are analyzing sounds that might have come from a missing Argentine submarine, the country’s navy said Monday, reviving hope among relatives of the 44 crew members aboard.