Joe Mantegna and Gary Sinise will host the Concert.Dennis Haysbert: Will pay tribute to the late General Colin Powell.Gil Birmingham: In a tribute to soldiers who lost their lives in the Vietnam War, he shares the story of Lakota combat medic Francis Whitebird.Mary McCormack: She honors women of World War II in this year's event.Jack Everly and the National Symphony Orchestra will perform.In addition, there are performances from the armed services' own ensembles: The U.S. Army Herald Trumpets, The U.S. Army Chorus, The Soldiers' Chorus of the U.S. Army Field Band, The U.S. Navy Band Sea Chanters, The U.S. Air Force Singing Sergeants, the Armed Forces Color Guard and Service Color Teams provided by the Military District of Washington, D.C.