http://www.globalsecurity.org/military/systems/ship/cvn-68.htm http://www.globalsecurity.org/military/systems/ship/cvn-68.h... The NIMITZ-class self-defense me

http://www.globalsecurity.org/military/systems/ship/cvn-68.htm http://www.globalsecurity.org/military/systems/ship/cvn-68.h... The NIMITZ-class self-defense measures include: missiles, guns, and electronic warfare. The NATO Sea Sparrow Missile System is comprised of two launchers with eight missiles each. Sea Sparrow is a radar-guided, short-to-medium range missile capable of engaging aircraft and cruise missiles. NIMITZ-class also has Close-In Weapon System mounts for short range defense against aircraft or missiles. Each mount has its own search and track radar, and a six-barrel, 20-millimeter Gatling gun capable of firing 3,000 rounds per minute