Guy H. Preston was a career officer in the United States Army. A veteran of the American Indian Wars, Spanish–American War, Philippine–American War, and World War I, he served from 1888 to 1928 and attained the rank of brigadier general. His command assignments included the 4th Field Artillery Brigade, 160th Field Artillery Brigade, 7th Division, 1st Cavalry Regiment, 23rd Infantry Regiment, Eighth Corps Area General Depot, and the San Francisco General Intermediate Depot. Preston's awards included the Citation Star for heroism in the Ghost Dance War against the Lakota people in 1891. When the Citation Star was authorized for conversion to the Silver Star in 1932, Preston's award was converted to the new medal.