Crossword clues for Low-ranking officer 6 letters:ENSIGNLow-ranking officerENSIGNSLow-ranking officersLTSLow-ranking U.S.M.C. officersENSLow-ranking Navy officer: Abbr.ENSLow-ranking USN officerENSLow-ranking naval officer: Abbr.ENSLow-ranking US Navy officerENSLow-ranking "Star Trek" officer: Abbr.STARTREKTV show whose low-ranking, red-uniformed officers often met untimely demises