Link will open a Microsoft Word document, scroll down to "SECCIÓN 3 DE LAS INSIGNIAS Y CONDECORACIONES" on page 50 and:
Commandante/Commander - 5 golden pythons crusaders forming a star.
Subcommandante/Sub Commander - 4 golden pythons crusaders forming a star.
Capitán/Captain - 3 gold bugles
Teniente/Lieutenant - 2 gold bugles
Subteniente/Sub Lieutenant - 1 gold bugle
Sargento Primero/First Sergeant - Triangle with 3 lines in red
Sargento Segundo/Second Sergeant - Triangle with 3 lines in red
Cabo/Corporal - Triangle with 1 line in red
Bombero/Firefighter - no rank insignia
Unfortunately, I have no pictures so I dont know what the insignia looks like
