TODAY

Arlington National Cemetery:

Memorial service-wreath ceremony at the old amphitheater and the grave of Lt. Gen. Clair Chennault (Flying Tigers), by 14th Air Force Association, 9:15 a.m.

TOMORROW

National Symphony Orchestra concert with the U.S. Army Chorus and the Old Guard Fife and Drum Corps, conducted by Erich Kunzel, 8 p.m., West Lawn of U.S. Capitol. Rain date: Monday.

Arlington National Cemetery:

Memorial service-wreath ceremony at the grave of Maj. Ernest Hirai, by Japanese American Citizens League, 10:30 a.m.

Memorial service-wreath ceremony at 101st Airborne Division Monument, 101st Airborne Division Association, 11:30 a.m.

No Greater Love children's memorial service at Memorial Amphitheater, noon.

Wreath ceremony at Tomb of the Unknowns, by Rolling Thunder III, 2:05 p.m.

MONDAY

Gaithersburg City Hall, 31 S. Summit Ave., unveiling of painting of Gaithersburg Veterans Memorial, color guard ceremony and military band, 9 a.m.

Observances at Vietnam Veterans Memorial, 1 p.m.

Arlington National Cemetery:

White House military representative to lay wreaths at Civil War Unknowns, mast of USS Maine, Spanish American War Memorial, Confederate Memorial, 9 a.m.

Presidential wreath laying at Tomb of the Unknowns, followed by Memorial Day service at Memorial Amphitheater, 11 a.m.

Wreath ceremony at the grave of Col. Charles Young, by Col. Charles Young Chapter, DAV, 1 p.m.

Wreath ceremonies at graves of John J. Pershing and Joseph Breen, by Society of 40&8, 1:15 p.m.