The Boston Globe produced a large package of stories and online interactives that detail the ways in which the Pentagon is trying to give closure to the families of more than 2,000 American pilots and crew members who were lost in Papua New Guinea during World War II.
The Defense Prisoner of War/Missing Personnel Office acts as a clearinghouse for information about those who are missing in action all the way back to World War II.
The office's Web site lets you find the names and home cities/counties of those who are missing from each war.