Crewman recruit

Crewman recruit (also known as crewman third class) is the lowest Starfleet enlisted rank, ranking below crewman apprentice. In Starfleet, this rank is awarded upon completion of a training course, where recruits are given basic instruction in manning a starship or filling another role in the fleet.

Starfleet insignia

22nd century	2230s

2250s	2260s-2270s	Early 2270s	Late 2270s-2350s
			N/A

2350s-2360s	2360s-2370s service uniform	2360s-2370s duty uniform	2373-2380s

Early 2380s	Mid 2380s	2390s
File:CR (early 2380s).png File:Red (early 2380s).png	File:CR (mid 2380s).png File:Red (mid 2380s).png	File:CR (2390s).png File:Red (2390s).png

Alternate realities

2250s	2380s-2400s	2390s	29th century

		Enlisted ranks					Etc	Officer ranks						Flag ranks
Starfleet Officers Enlisted Misc.		CR CA CN	PO3 PO2 PO1	CPO	SCPO	MCPO CMCPO FMCPO MCPOSF	WO CDT MID REC	ENS	LTJG	LT	LCDR	CDR	CAPT FCAPT	CDRE RDML RADM		VADM	ADM	FADM
Kai Imperium		TRN MNX IMUN	LGN3 LGN2 LGN1	CLGN	CEN	SCEN		PVT	PRN		OP	TRB VIC	PR	PTR		MST	LEG	IMP
Kellarian System Defense Force (Navy & Ground forces) (Star Trek: Remington)		CR CN	PO2 PO1	CPO	SCPO	MCPO		ENS	SLT	LT	SCDR	CDR	CAPT	CDRE	VADM		ADM	FADM
		PVT PFC	CPL SGT	SSG	MSG	SGM		3LT	2LT	1LT	MAJ	LTCOL	COL	MGEN	LGEN		GEN	CGEN
Lyran ranks		CR CN	PO2 PO1	CPO	SCPO	MCPO	CDT	ENS	LTJG	LT	LCDR	CDR	CAPT FCAPT	CDRE	SCDRE	VADM	COUNT	DUKE KING