Capt. Nathaniel P. Ward IV, left, AFL-CIO Union Veterans Council members Greg Woodshed and Gordon Pavy, and Cadet Captain Joel Fowler of Wentworth Military Academy in Lexington, Mo., pay respect Wednesday to the first two American causalities, Master Sgt. Chester Ovnand and Maj. Dale Buis, who were killed in Vietnam in 1959. The special ceremony held near the Vietnam Veterans Memorial in Washington, D.C., marked the 50th anniversary of their deaths.