
{None}                                                        {None}
{Able-Spaceman}                                               {Able-Spaceman}
{Midshipman}                                                  {Midshipman}
{Sub-Lieutenant}                                              {Sub-Lieutenant}
{Lieutenant}                                                  {Lieutenant}
{Sub-Commander}                                               {Sub-Commander}
{Commander}                                                   {Commander}
{Captain}                                                     {Captain}
{Commodore}                                                   {Commodore}
{Admiral}                                                     {Admiral}