Sgt. 1st Class Melvin Morris, Master Sgt. Jose Rodela, and Sgt. Santiago J. Erevia, along with 21 other veterans from World War II, the Korean War, and the Vietnam War, had their Distinguished Service Cross medals upgraded to Medals of Honor. Here, they take part in a Medal of Honor presentation ceremony at the White House, March 18, 2014. Of the 24 who fought in World War II, Korea and Vietnam, only Morris, Rodela and Erevia are living, who are all from the Vietnam War.