Photo By Jerry Lara/San Antonio Express-News

A soldier bows his head during the III Corps and Fort Hood Memorial Ceremony, Wednesday, April 9, 2014. Sgt. First Class Daniel Michael Ferguson, Staff Sgt. Carlos Alberto Lazaney-Rodriguez and Sgt. Timothy Wayne Owens were killed and 16 others wounded when Spec. Ivan Lopez opened fire the April 2 attack at the installation. Lopez committed suicide after the attack. President Barack Obama and First Lady Michelle Obama attended the service.