The Oberon-class submarines were a 48-boat class of British-built diesel-electric submarines based on the successful British Porpoise-class submarines. Eighteen were constructed for the Royal Navy, while another twenty-two were built and exported to other countries' navies: six to the Royal Australian Navy, seven to the Royal Canadian Navy, eight for the Royal Indian Navy, five for the Brazilian Navy, and four for the Chilean Navy. The Oberon-class served from the early 1960s to the mid-1990s before being replaced by newer more capable submarines.
The Dutch Zwaardvis-class submarines are based on the Oberon-class.
Unit Run[]
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- HMS Oberon (S09)
- HMS Odin (S10)
- HMS Orpheus (S11)
- HMS Olympus (S12)
- HMS Osiris (S13)
- HMS Onslaught (S14)
- HMS Otter (S15)
- HMS Oracle (S16)
- HMS Ocelet (S17)
- HMS Otus (S18)
- HMS Opossum (S19)
- HMS Oppurtune (S20)
- HMS Onyx (S21)
- HMS Oribi (S22)
- HMS Observer (S23)
- HMS Obdurate (S24)
- HMS Obedient (S25)
- HMS Orwell (S26)
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Flight I[]
- HMIS Kursura (S20)
- HMIS Karanj (S21)
- HMIS Khanderi (S22)
- HMIS Kalvari (S23)
Flight II[]
- HMIS Vela (S24)
- HMIS Vagir (S25)
- HMIS Vagli (S26)
- HMIS Vagsheer (S27)
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- HMAS Onslow (S A60)
- HMAS Orion (S A61)
- HMAS Otama (S A62)
- HMAS Otway (S A63)
- HMAS Ovens (S A64)
- HMAS Oxley (S A65)
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- HMCS Oswegatchie (S C05)
- HMCS Oneida (S C06)
- HMCS Odawa (S C07)
- HMCS Ofxord (S C08)
- HMCS Outlook (S C09)
- HMCS Ophelia (S C10)
- HMCS Oakville (S C11)
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- NRB Humaitá (S20)
- NRB Tonelero (S21)
- NRB Riachuelo (S22)
- NRB Angostura (S23)
- NRB Guanabara (S24)
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- BAC O'Brien (S22)
- BAC Hyatt (S23)
- BAC Thomson (S24)
- BAC Simpson (S25)
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- ORP Orzeł (292)
- ORP Sokół (293)
- ORP Kondor (294)
- ORP Bielik (295)