Country and Western singer Lindsay Lawler, right, and guitarist Chris Roberts sing our National Anthem during the opening ceremony for the annual Wreaths Across America event at Arlington National Cemetery in Arlington, Va., Dec. 12, 2015. Thousands of volunteers helped place over 700,000 wreaths at the graves of fallen service members

Country and Western singer Lindsay Lawler, right, and guitarist Chris Roberts sing our National Anthem during the opening ceremony for the annual Wreaths Across America event at Arlington National Cemetery in Arlington, Va., Dec. 12, 2015. Thousands of volunteers helped place over 700,000 wreaths at the graves of fallen service members