The British Mark 8 torpedo was initially carried by the submarine; this was later replaced by the wire-guided Mark 23. During the 1980s, the Australian Oberons were upgraded to carry United States Navy Mark 48 torpedoes and UGM-84 Sub Harpoon anti-ship missiles.
The British submarine initially used the Mark 8 torpedo; however, it was later replaced by the wire-guided Mark 23. In the 1980s, the Australian Oberons were upgraded to carry US Navy torpedoes and UGM-84 Sub Harpoon anti-ship missiles.