AP Explains: The search for Argentina's missing submarine

BUENOS AIRES, Argentina (AP) — The Argentine submarine ARA San Juan went missing in the South Atlantic last week with 44 crew members aboard. Here's a look at the submarine and the round-the-clock international maritime search. ——— THE VESSEL The German-built diesel-electric TR-1700 class submarine was commissioned in 1985 and was most recently refit in 2014. The retrofitting cost about $12 million and took more than 500,000 work hours. The boat was cut in half and had it