Memorial Day is a time to remind ourselves of the meaning of sacrifice.
Across the nation, citizens were marking Memorial Day with somber ceremonies, flag plantings at cemeteries, parades and even barbecues.
President Obama arrived in Afghanistan to speak with troops and visit soldiers being treated at a base hospital.
In Massachusetts, a Boston Marathon survivor and his rescuer helped plant tens of thousands of flags Saturday at a cemetery to honor soldiers.
All government agencies in the United States are flying their flags at half-staff today in observance of Memorial Day.