President Barack Obama is honoring America’s fallen service members with a wreath-laying ceremony at Arlington National Cemetery.

Spec. Daniel Hara on sentinel duty at the Tomb of the Unknowns. (Matt McClain/For The Washington Post)

The Tomb of the Unknowns is also serving as the site of a “national moment of silence” ceremony at 2:55 p.m., and a memorial service by the Sons of Union Veterans of the Civil War at 5 p.m.

You can read more about the changing of the guard at Arlington National Cemetery’s Tomb of the Unkowns.