(April 24, 2012) - D.C. United announced today that the club will host its 13th Annual Armed Forces & Veterans Appreciation Day on Saturday, April 28, as the Black-and-Red take on the Houston Dynamo at RFK Stadium (7:30 p.m. ET / Comcast SportsNet).The event will feature programs throughout the day in support of our Armed Forces, Veterans and their families, and is supported in part by American Airlines and GEICO.