VANDENBERG AIR FORCE BASE, Calif. – Senior Airman Jeff Knoll, a 30th Security Forces Squadron conservation law enforcement officer, picks the shoe of his squadron’s horse, Willie, to promote the horse’s health and well-being. Feeding and maintaining the 30th SFS horses at the Saddle Club here is one of the many duties of Vandenberg’s conservation officers.(U.S. Air Force photo/Airman 1st Class Steve Bauer)