In pictures: Underwater search

US Navy divers have been searching the wreck of the Japanese fishing boat Ehime Maru, which was accidentally sunk by a US submarine in February.

Nine Japanese students and teachers were reported missing after the incident. The Navy says two of those may never be found.

On the morning of 15 October the Navy moved the Crowley 450-10 diving support barge into a six-point moor over Ehime Maru

The dive site is about 1.5km (1 mile) off the coast of Honolulu at a depth of about 35 metres (115 feet)

Divers William Crider and George Primavera were the first team into the water

They are searching for nine missing people but the Navy says only seven bodies may ever be recovered

It is a hazardous job - the divers have to enter and search the trawler thoroughly

The cost of the recovery operation is put at $60m and could last until early November

Afterwards, the Ehime Maru will be towed to a new deep-water site and left to lie in peace