Petty officer first class

PO1 rank insignia.

petty officer first class (PO1) is a type of rank, specifically, an enlisted rate in naval services and space forces, most notably the Starfleet of the United Federation of Planets.

A petty officer first class is an advancement of petty officer, and is one of the most basic NCO rates, a grade higher than an petty officer second class and a grade below chief petty officer in some rank structures. This grade of PO is roughly equivalent with the authority of a basic sergeant of military forces.

Petty officer first class uniform insignia existed in Starfleet, a rank insignia worn on the Starfleet uniforms of numerous eras. (FASA RPG modules: Cadet's Orientation Sourcebook, Star Trek: The Next Generation Officer's Manual)

PO1 insignia

Starfleet petty officer first class insignia
era	general wear	command division			operations division				sciences division
		command	tactical/military	flight-engineering (admin, pilot, engineer)		security	special services	sci-ops (ops, sci & tac ops)		medical
Federation Starfleet ranks (2260s)
Federation Starfleet ranks (2270s-2350s)
Federation Starfleet ranks (2350s-2360s)
Federation Starfleet ranks (2360s-2370s)
Federation Starfleet ranks (2370s-2380s)

Petty officers first class

• Salagho Threx
• Andrea Wolfe

Connections

	Enlisted ranks				Commissioned ranks							Flag ranks
Earth SF	CREW	PO2 PO1		CPO SCPO MCPO	ENS	LT		CMDR		CAPT FCAPT VICE CDORE		CDORE	RADM / 2ADM	VADM / 3ADM	4ADM	FADM / 5ADM GADM
Starfleet & SFMC					ENS JG ENS ENS 1C	LT JG	LT	LT CMDR	CDR			CDORE 1ADM
	PVT	CPL	SGT MASTER SGT		SUBLT 2ND LT	1ST LT	CAPT	MAJOR	LT COL	COL		BRIG	GEN