<Tr> <Td> Admiral </Td> <Td> General </Td> <Td> Air chief marshal </Td> </Tr> <Tr> <Td> Vice admiral </Td> <Td> Lieutenant general </Td> <Td> Air marshal </Td> </Tr> <Tr> <Td> Rear admiral </Td> <Td> Major general </Td> <Td> Air vice-marshal </Td> </Tr> <Tr> <Td> Commodore </Td> <Td> Brigadier or brigadier general </Td> <Td> Air commodore </Td> </Tr>

What does a lieutenant do in the navy