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PHILADELPHIA -- Across the nation on Veterans Day today, Americans are honoring the sacrifices and service of the armed forces.

President Barack Obama plans to attend a ceremony at Arlington National Cemetery. In his proclamation, Obama says the country's obligations to those who have served "endure long after the battle ends."

The District of Columbia will honor two of the original Tuskegee Airmen with the Congressional Gold Medal and Washington Mayor Vincent Gray and congressional delegate Eleanor Holmes Norton will lay a wreath at the African American Civil War Memorial.

The U.S. military's first female four-star general will be a grand marshal at New York City's Veterans Day Parade. Gen. Ann E. Dunwoody retired last year after a 37-year Army career. Organizers of the parade up Fifth Avenue have renamed it America's Parade.

And a former prisoner of war will join Oklahoma Gov. Mary Fallin to dedicate a wall commemorating Vietnam veterans.