Camp Calvin B. Matthews or Marine Corps Rifle Range Camp Matthews or Marine Corps Rifle Range, La Jolla (prior to World War II) or more simply Camp Matthews was a United States Marine Corps military base from 1917 until 1964, when the base was decommissioned and transferred to the University of California to be part of the new University of California, San Diego (UCSD) campus. Over a million Marine recruits as well as other shooters (such as Marines stationed at Miramar) received their marksmanship training at this military base.