The term wave is often intuitively understood as referring to a transport of spatial disturbances that are generally not accompanied by a motion of the medium occupying this space as a whole. In a wave, the energy of a vibration is moving away from the source in the form of a disturbance within the surrounding medium (Hall 1980, p. 8).
The first soldier to be buried in Arlington was Private William Henry Christman of Pennsylvania on May 13, 1864. There are 396 Medal of Honor recipients buried in Arlington National Cemetery, nine of whom are Canadian.
People who were buried here before the Civil War were reburied after 1900. Arlington National Cemetery is taken care of by the United States Army. Arlington House (Custis-Lee Mansion) and its land are taken care of by the National Park Service as a memorial to Lee. Recently, the way the cemetery is managed caused controversy.