Valles Caldera Valles Caldera dates back to the prehistoric times: spear points dating to 11,000 years ago have been discovered. Several Native American tribes frequented the caldera, often seasonally for hunting and for obsidian, used for spear and arrow points. Obsidian from the caldera was traded by tribes across much of the Southwest. Eventually, Spanish and later Mexican settlers as well as the Navajo and other tribes came to the caldera seasonally for grazing with periodic clashes and raids. Later as the United States acquired New Mexico as part of the Treaty of Guadalupe Hidalgo in 1848, the caldera became the backdrop
USS Guadalupe (AO-32) sailed along the Korean coast to support the siege of Wonsan harbor. An uneasy peace settled over the war-torn peninsula in August 1953, while "Guadalupe" was undergoing overhaul in California, but she returned to the Pacific to support American forces on the Formosa Patrol and training operations. From that time, the tanker's year settled into a routine of six months deployment with the 7th Fleet and six months operating out of Long Beach. In her Far East operations, "Guadalupe" has visited every major Pacific port – Hong Kong, Manila, Tokyo, Ceylon, Formosa – while playing her unsung but vital role