In addition there were over 500 volunteer divers and a laboratory staff of about 70 that ran the shore base and conservation facilities.

The wreck site was located by a team of maritime archaeologists and volunteer divers led by the South Australian Government's State Heritage Branch in April 1986.

Larsen talked enthusiastically about his small team of volunteer divers, about their finds, about his plans for the museum.

He orchestrated a huge effort by hundreds of volunteer divers to clean the islands' waters of the many tonnes of rubbish that were washed out to sea during the tsunami.

The boys' families, using volunteer divers and search dogs brought in from upstate New York, had been keeping the search going, Ms. Dufty said.

In the late 1970s, he was also a volunteer diver on the excavation of the Mary Rose, the Tudor warship that sank in the Solent in 1545.

A hyperbaric chamber is needed in New Jersey, health officials and a group of volunteer divers agree.

A thorough search and risky manual removal of unexploded munitions to deep water was carried out by volunteer divers as a result.

Reef Check volunteer divers are trained to study a designated site annually or sometimes quarterly.

The parents have also organized teams of volunteer divers to help in the search.