Template:Knox class frigate armament

• As built:
• 1 × 5 in (127 mm)/54 caliber Mark 42 gun
• 1 × Mk-16 8–cell ASROC launcher
• 2 × dual Mark 32 Mark 46 torpedo launchers
• First refit:
• 1 × Mk-25 8–cell RIM-7 Sea Sparrow (BPDMS) (DE-1052–1069 and 1071–1083)
• 1 × Mk-29 8–cell RIM-7H Improved Sea Sparrow (IBPDMS) (DE-1070)
• Mk-16 2 cells converted to launch HARPOON
• Second refit:
• 1 × Phalanx CIWS (RIM-7/7H Sea Sparrow removed)