Stock photography, photos: American Flag at Half Staff Stock photos of American flag flying at half staff on Memorial Day Photograph: © Cary Ulrich Click for a larger image and more information Keywords associated with this stock photo: flag, american flag, memorial, memorial day, waving, waving flag, vetern, service, service men, veterns, stars and stripes, stars, stripes, red, white, blue, respect, honor, america, american, half staff, vertical