Volunteers have been busy placing American flags at cemeteries across the metro area for Memorial Day, which honors military members killed in action. At Chalmette National Cemetery, volunteers placed American flags in front of every headstone in preparation for Memorial Day weekend. The cemetery holds more than 14,000 headstones for soldiers of the War of 1812, Civil War, Spanish-American War, World Wars I and II and the Vietnam War, according to the National Park Service. At the Southeast Louisiana Veterans Cemetery in Slidell, members of VFW Post 5735 and volunteers placed more than 4,000 flags on graves; and members of VFW Post 8290 placed more than 800 flags at cemeteries in Lacombe, Mandeville and Slidell.