Derivatives / Succeeded by -- Terma SKWS DL-12T 130mm Used by 1965 Fearless class landing ship/platform dock L 41975 Type 42 (Batch 1 and 2) class guided-missile destroyer DDG 41976 Beskytteren class corvette FS 21979 Type 22 (Batch 1) Broadsword class frigate FF 41980 Invincible class aircraft carrier v stol CVS 81983 Type 22 (Batch 2) Boxer class frigate FF 41988 Type 22 (Batch 3) Cornwall class frigate FF 41989 Type 23 Duke class frigate FF 41992 Fort II class (1992) support ship AO 22003 Wave class support ship AO 82012 Iver Huitfeldt class frigate FF 12 In Service Royal Navy Royal Danish Navy Estonian Navy Chilean Navy Royal Fleet Auxiliary