ARM Netzahualcóyotl (D-102), a Quetzalcóatl-class destroyer, is one of two destroyers in the Mexican Navy. The Netzahualcóyotl was originally the USS Steinaker (DD-863), a Gearing-class destroyer. Mexico purchased the Steinaker from the United States Navy in 1982, and renamed it after the Acolhua polymath Nezahualcoyotl. In its present configuration it has a helicopter landing pad and an ASROC anti-submarine missile system. The Netzahualcóyotl is used in drug interdiction and training missions for cadets from the Mexican Naval Academy, sailing annually up to San Francisco, California, in the United States.