Here's the insignia for each rank. Also added this to the ranks hider in databank.

[hider=Rank Insignias]
[img]https://img.roleplayerguild.com/prod/users/0e46b990-4abf-4808-985c-97d59a8f47b2.png[/img]
[/hider]

Enlisted troops wear their insignias in the form of coarseweave patches nano-sewn onto uniforms, while commissioned officer insignias are magnetic buttons attached to rank plaques. Depending on the wearer's species, their insignia may be worn on the chest or shoulder of their uniform.