Answer: SGT

AnswerCrossword Clue
SGTPepper, e.g.: Abbr.
SGTBilko or Snorkel: abbr.
SGTE. Bilko's rank
SGT... Snorkel ("Beetle Bailey" character)
SGTPD rank
SGTYork's rank: abbr.
SGT... Pepper
SGTNCO with three chevrons
SGTCertain NCO
SGTSnorkel or Bilko: Abbr.
SGTMil. officer
SGTPvt.'s boss
SGTFriday or Preston: Abbr.
SGTFriday, for one: Abbr.
SGTFriday or Bilko: Abbr.
SGTLAPD ranking
SGTBilko, e.g.: Abbr.
SGTBilko's rank: Abbr.
SGTLAPD rank
SGTRank above cpl.
SGTSquad cmdr.
SGTMil. rank
SGTNCO
SGTSnorkel or Pepper: Abbr.
SGTFriday, e.g.
SGTFriday or Pepper
SGTSnorkel or Friday
SGTFictional Pepper's rank
SGTSlaughter's rank, briefly, in "G.I. Joe"
SGTNoncom (abbr.)
SGTSnorkel or York (abbr.)
SGTE-5
SGTCpl.'s superior
SGTPFC's boss
SGTAfter cpl.
SGTPvt.'s superior
SGTThree-striper (abbr.)
SGTBilko, e.g.
SGTCpl.'s boss
SGTOff. above a corporal