11.   Dredging work began this week to recover more wreckage from the muddy riverbed.

12.   Rescuers using helicopters and boats had been unable to recover the wreckage, the release said.

13.   Police secured the area and curious villagers watched from the valley as American and Vietnamese officials recovered wreckage from the mountain.

14.   Searchers Tuesday recovered the wreckage of one jet and one body.

15.   The reason it falls from cruising altitude is not known, and less than half its wreckage is recovered from the fast-flowing river.

16.   The U.S. Central Command said Wednesday the wreckage had been recovered.

17.   The unmanned plane was not shot down, and its wreckage will be recovered, the statement said.

18.   However nearly a dozen divers trained in the disposal of mines and underwater explosives were being sent to aid in recovering the wreckage, a Navy spokesman said.

19.   Song said it was the first time China had attempted to recover the wreckage of a plane that had crashed into the sea.

20.   The frogmen continued, however, to assist Coast Guard crews in recovering the wreckage floating at the surface.