Andoza:OHP frigate armament

• As built:
• 1 × OTO Melara Mk 75 76 mm/62 caliber naval gun
• 2 × Mk 32 triple-tube (324 mm) launchers for Mark 46 torpedoes
• 1 × Vulcan Phalanx CIWS
• 4 × .50-cal (12.7 mm) machine guns.
• 1 × Mk 13 Mod 4 single-arm launcher for Harpoon anti-ship missiles and SM-1MR Standard anti-ship/air missiles (40 round magazine)
• Note: As of 2004, Mk 13 systems removed from all active US vessels of this class.