(AP) -- Vice President Joe Biden is saluting the sacrifices of the men and women of America's fighting forces at the nation's most hallowed burial ground.
He said the United States has "a sacred obligation" to provide its servicemen and women - "these new warriors" - with everything they need to carry out their jobs. President Barack Obama was to preside over a separate holiday observance near Chicago later Monday.
Biden honored America's war dead at the annual Memorial Day ceremony at Arlington National Cemetery. He was joined by Adm. Mike Mullen, chairman of the U.S. Joint Chiefs of Staff. Biden also personally left a wreath at the Tomb of the Unknowns, a marble structure holding the remains of unidentified U.S. service members who died during war.
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