KILEEN, TX - APRIL 9: U.S. Army soldiers salute during the national anthem before U.S. President Barack Obama speaks at a memorial for victims of last week's shooting on the U.S. Army post at Fort Hood military base on April 9, 2014 in Kileen, Texas. During the shooting rampage on April 2, Army Spc. Ivan Lopez killed three people and wounded 16 others before taking his own life. (Photo by Erich Schlegel/Getty Images)
