Context : Harold Gonsalves (January 28, 1926 -- April 15, 1945) was a United States Marine Corps private first class who was killed in action during the Battle of Okinawa in World War II. He was awarded the nation's highest military award for valor, the Medal of Honor, posthumously, for his heroic action on April 15, 1945. 
Subject : Harold Gonsalves 
Relation : award received
Which award was bestowed upon Harold Gonsalves?