Derivatives / Succeeded by -- electric HOLEC Used by 1964 Moresby class support ship AO 21965 Hecla class support ship AO 11965 Endeavour class support ship AO 21969 Gulf class icebreakers AW 31969 Quest class support ship AO 21976 Tydeman class support ship AO 11978 R class icebreakers AW 21986 Type 1100 class icebreakers AW 31989 Type 23 Duke class frigate FF 22003 Wave class support ship AO 12005 Mistral class assault carrier LH 22006 Lewis and Clark class support ship AO 12013 Bergamini (2013) class guided-missile frigate FFG 2 In Service Royal Australian Navy Royal Navy indonesian navy Canadian Armed Forces South African Navy Canadian Coast Guard Royal Netherlands Navy Chilean Navy Royal Fleet Auxiliary Egyptian Navy French Navy US Navy Italian Navy
electric HOLEC
Moresby class support ship AO 
Hecla class support ship AO 
Endeavour class support ship AO 
Mistral class assault carrier LH 
Lewis and Clark class support ship AO 
Bergamini (2013) class guided-missile frigate FFG 
