Men and women participate in a half-mile honor walk through Arlington National Cemetery, Va., Oct. 21, 2017. Nearly 40 Oklahoma Air and Army National Guard women gathered with hundreds of active duty, retired and reserve servicewomen from all branches of the military to celebrate the 20th anniversary of the dedication of the Women in Military Service for America Memorial to honor the women who came before them and celebrate the opportunities that are still to come. Oklahoma Air National Guard photo by Air Force Staff Sgt. Kasey Phipps