The U.S. military is preparing its first search in eight years for remains of American soldiers lost in Myanmar during World War II, an official said Friday.

The resumption of the search is a product of the revived U.S. ties with the country also known as Burma after its government initiated democratic reforms....

About 730 Americans are missing, mostly U.S. air crews that went down in the rugged northern mountains and dense jungles while flying supplies from India to China....