He is holding the flag that covered the casket of his son who was killed in the Korean War .
A moving picture of World War One Veteran Joseph Ambrose attending the Vietnam Veterans Memorial dedication ceremony in 1982 .
Joseph Ambrose is holding the flag that covered the casket of Joseph Ambrose 's son who was killed in the Korean War .
A moving picture of World War One Veteran Joseph Ambrose attending the Vietnam Veterans Memorial dedication ceremony in 1982 .