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In this Dec. 9, 2011, photo provided by Maritime New Zealand, the cargo ship Rena is hard aground after running full-steam into a well-charted reef off the coast near Tauranga, New Zealand on a calm night on Oct. 5.Australian inspection records show that a cargo ship that ran aground off New Zealand in October had previous safety issues. (AP Photo/Maritime New Zealand, Graeme Brown) EDITORIAL USE ONLY

New Zealand cargo ship disaster

The remains of the stricken container ship Rena are stuck on a rock reef about 14 nautical miles (22 km) from Tauranga on the east coast of New Zealand's North Island. Rena ran aground six months ago, in what authorities say is one of the nation's worst environmental disasters, Apr. 4.