Answer: tsgts

AnswerCrossword Clue
TSGTSSome USAF NCOs
TSGTSSome Air Force NCOs
TSGTSUSAF E-6's
TSGTSSome NCOs
TSGTSAir Force NCOs
TSGTSNoncoms.
TSGTSArmy N.C.O.'s.
TSGTSE-6 officers in the U.S.A.F.