Template:Ranks and Insignia of NATO Navies/OF/Blank

! NATO code !! colspan=2 | OF-10 !! colspan=2 | OF-9 !! colspan=2 | OF-8 !! colspan=2 | OF-7 !! colspan=2 | OF-6 !! colspan=2 | OF-5 !! colspan=2 | OF-4 !! colspan=2 | OF-3 !! colspan=2 | OF-2 !! colspan=6 | OF-1 !! colspan=6 | OF(D) !! colspan=6 | Student officer
 * - style="background-color:#CCCCCC; width:100%"
 * - style="background-color:#CCCCCC; width:100%"
 * - class="noresize" style="text-align:center"