Yes rates are used most of the time in forms of address. However you do have a rank, for example E-5 or Petty Officer Second Class. However when addressing enlisted you’d usually say something like CTM2, IT2 etc… Until you hit chief then you are just called Chief, or senior if you are a Senior Chief, Master Chief doesn’t get abbreviated to Master for obvious reasons, and MCPON is usually referred to as “mic pon” phonetically for Master Chief Petty Officer of the Navy.
conduwuit, a matrix home server it is so much faster and works so much better than the Dendriter server it replaced.