The Pecan Grove Memorial Day ceremony will take place at Pecan Grove Cemetery at 9:30 a.m. U.S. Rep. Sam Johnson, a former prisoner of war during Vietnam, will be on hand to present a posthumous Prisoner of War Medal to the family of Lt. Robert B. Fleming, a veteran who served in World War II and endured captivity as a prisoner of war after his plane went down in Germany. Fleming's son will accept the medal on his father's behalf.