Echo Taps or Silver Taps is a tradition in which "Taps" is played at U.S. military schools—such as Norwich University, Texas A&M University, New Mexico Military Institute, The Citadel, and Virginia Tech—when a member or former member of a school's corps of cadets is killed in action. Echo Taps ceremonies involve some arrangement of "Taps" for two buglers, playing antiphonally to represent both the cadet's branch of service and their college. Silver Taps ceremonies may use such an arrangement, or some other version for two or more instruments.