<Tr> <Td> Task Force 311 </Td> <Td> 311, TF TF 311 </Td> <Td> UK </Td> <Td> Commander, Task Force 311 (CTF - 311), located in Northwood, Middlesex, is the Royal Navy's sole submarine operating authority (SUBOPAUTH). CTF - 311 maintains operational control of all Britain's attack submarines, wherever they may be . </Td> </Tr> <Tr> <Td> Task Group 316.1 </Td> <Td> 316, TF TF 316 </Td> <Td> UK </Td> <Td> Used for Endeavour 90 deployment, under Capt Franklyn, HMS Bristol (DTS) </Td> </Tr> <Tr> <Td> Task Force 317 </Td> <Td> 317, TF TF 317 </Td> <Td> UK </Td> <Td> Falklands Task Force; see British naval forces in the Falklands War </Td> </Tr> <Tr> <Td> Task Force 318 </Td> <Td> 318, TF TF 318 </Td> <Td> UK </Td> <Td> In November 1967, TF 318, under Flag Officer Second in Command Far East Fleet, Rear Admiral Edward Ashmore, managed the British withdrawal from Aden after 128 years of colonial rule . Reestablished with effect from 1 November 1971 to cover withdrawal of British forces from Persian Gulf (Roberts, 95) </Td> </Tr>

Who has the authority to establish joint task forces