(Above) Janet Folkerts, curator for the Vietnam Veterans Memorial museum collection, holds a container of unidentified cremains at the Museum Resource Center in Landover, Md. (Below) A 3-foot-tall model of a U.S. watercraft (left) and a traditional Vietnamese dress are among the artifacts left at the wall that have become part of the permanent collection.

(Above) Janet Folkerts, curator for the Vietnam Veterans Memorial museum collection, holds a container of unidentified cremains at the Museum Resource Center in Landover, Md. (Below) A 3-foot-tall model of a U.S. watercraft (left) and a traditional Vietnamese dress are among the artifacts left at the wall that have become part of the permanent collection.