<P> The Military ranks of Nigeria are the military insignia used by the Nigerian Armed Forces . Being a member of the Commonwealth of Nations, Nigeria shares a rank structure similar to that of the United Kingdom . </P> <P> The rank insignia for commissioned officers for the army, navy and air force respectively . </P> <Table> <Tr> <Th> Equivalent NATO Code </Th> <Th_colspan="2"> OF - 10 </Th> <Th_colspan="2"> OF - 9 </Th> <Th_colspan="2"> OF - 8 </Th> <Th_colspan="2"> OF - 7 </Th> <Th_colspan="2"> OF - 6 </Th> <Th_colspan="2"> OF - 5 </Th> <Th_colspan="2"> OF - 4 </Th> <Th_colspan="2"> OF - 3 </Th> <Th_colspan="2"> OF - 2 </Th> <Th_colspan="6"> OF - 1 </Th> <Th_colspan="12"> OF (D) & Student officer </Th> </Tr> <Tr> <Td> Nigeria (Edit) </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="3"> </Td> <Td_colspan="3"> </Td> <Td_colspan="12"> Unknown </Td> </Tr> <Tr> <Td_colspan="2"> Field Marshal </Td> <Td_colspan="2"> General </Td> <Td_colspan="2"> Lieutenant General </Td> <Td_colspan="2"> Major General </Td> <Td_colspan="2"> Brigadier General </Td> <Td_colspan="2"> Colonel </Td> <Td_colspan="2"> Lieutenant Colonel </Td> <Td_colspan="2"> Major </Td> <Td_colspan="2"> Captain </Td> <Td_colspan="3"> First Lieutenant </Td> <Td_colspan="3"> Second Lieutenant <P> </P> </Td> </Tr> <Tr> <Th> Nigeria (Edit) </Th> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="3"> </Td> <Td_colspan="3"> </Td> <Td_colspan="12"> No equivalent </Td> </Tr> <Tr> <Td_colspan="2"> Admiral of the Fleet </Td> <Td_colspan="2"> Admiral </Td> <Td_colspan="2"> Vice Admiral </Td> <Td_colspan="2"> Rear admiral </Td> <Td_colspan="2"> Commodore </Td> <Td_colspan="2"> Captain </Td> <Td_colspan="2"> Commander </Td> <Td_colspan="2"> Lieutenant commander </Td> <Td_colspan="2"> Lieutenant </Td> <Td_colspan="3"> Sub lieutenant </Td> <Td_colspan="3"> Midshipman <P> </P> </Td> </Tr> <Tr> <Td> Nigeria (Edit) </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="2"> </Td> <Td_colspan="3"> </Td> <Td_colspan="3"> </Td> <Td_colspan="12"> No equivalent </Td> </Tr> <Tr> <Td_colspan="2"> Marshal of the Air Force </Td> <Td_colspan="2"> Air Chief Marshal </Td> <Td_colspan="2"> Air Marshal </Td> <Td_colspan="2"> Air Vice-Marshal </Td> <Td_colspan="2"> Air Commodore </Td> <Td_colspan="2"> Group Captain </Td> <Td_colspan="2"> Wing Commander </Td> <Td_colspan="2"> Squadron Leader </Td> <Td_colspan="2"> Flight Lieutenant </Td> <Td_colspan="3"> Flying Officer </Td> <Td_colspan="3"> Pilot Officer <P> </P> </Td> </Tr> <Tr> <Th> Equivalent NATO Code </Th> <Th_colspan="2"> OF - 10 </Th> <Th_colspan="2"> OF - 9 </Th> <Th_colspan="2"> OF - 8 </Th> <Th_colspan="2"> OF - 7 </Th> <Th_colspan="2"> OF - 6 </Th> <Th_colspan="2"> OF - 5 </Th> <Th_colspan="2"> OF - 4 </Th> <Th_colspan="2"> OF - 3 </Th> <Th_colspan="2"> OF - 2 </Th> <Th_colspan="6"> OF - 1 </Th> <Th_colspan="12"> OF (D) & Student officer </Th> </Tr> </Table> <Tr> <Th> Equivalent NATO Code </Th> <Th_colspan="2"> OF - 10 </Th> <Th_colspan="2"> OF - 9 </Th> <Th_colspan="2"> OF - 8 </Th> <Th_colspan="2"> OF - 7 </Th> <Th_colspan="2"> OF - 6 </Th> <Th_colspan="2"> OF - 5 </Th> <Th_colspan="2"> OF - 4 </Th> <Th_colspan="2"> OF - 3 </Th> <Th_colspan="2"> OF - 2 </Th> <Th_colspan="6"> OF - 1 </Th> <Th_colspan="12"> OF (D) & Student officer </Th> </Tr>

What is the equivalent of lieutenant colonel in nigerian navy