The abbreviation would be "CDR, USN (Ret.)"
CDR, USN(Ret)
PPL is the abbreviation or 'IM' for people
Cdr
ret. or Ret.
retmnt
Commander Shepard
Sir
the naval rank below captain is Commander
Life Moments - 2002 Naval Commander was released on: USA: September 2002
Admiral Patricio Montojo, Commander Naval Fleet Manila. Admiral Pascual Cervera, Commander Naval Fleet Cuba.
1SG (ret)
Commander Shepard
Commander is not abbreviated cc. The true abbreviation is Cdr.