Crossword Puzzle Certifying officer

Clue: Certifying officer

First ___ (ship officer) (MATE with 4 letters)
What the security officer was doin' in womenswear? (GUARDINHOSE with 11 letters)
Law officer wearing a star (USMARSHAL with 9 letters)
Town officers (REEVES with 6 letters)
Petty officer for short (BOSN with 4 letters)
An officer and a gentleman? (GERE with 4 letters)
Commanding Officer, for short (CO-3038 with 7 letters)
Officer in the original "Star Trek" (SULU with 4 letters)
Some USN officers (e.g. LTS with 3 letters)
Cabinet officer (ATTORNEYGENERAL with 15 letters)