The United States has given Laos an unprecedentedly broad plan to resolve the fates of American servicemen still missing in Laos from the Vietnam War, a member of the U.S. delegation said Thursday.

"In this plan there is more activity over a larger area than ever before, including places we previously have never been able to put our people," said Ann Mills Griffiths, the executive director of the National League of Families of American Prisoners and Missing in Southeast Asia.She said the U.S. plan had a good chance of acceptance because of recent improvements in Laos-U.S. relations and new U.S. aid projects in the country of 4 million people that remains one of the world's poorest.

She said the Lao government has only just begun to allow investigations into the highest priority "discrepancy cases" in which the U.S. says it has evidence the men may have survived to become prisoners of war.