Elephants Never Forget, On The Side #21 Mystery Cache

Back to Star Wars we go. Who can forget the prisoner transport scene and the attempt to rescue the princess. The meaning of Cell Block 1138 would have been a good one but we went in another direction. Perhaps a bit easier. If you are going to transport a prisoner you better ensure the officer in charge of detention blocks is aware. What was his rank and What level and detention block did her serve on?

You can validate your puzzle solution with certitude.