Life support technician

Life support technician was a rating given to crewmen and non-commissioned officers who were responsible for the maintenance and operation of life support systems aboard Starfleet vessels.

Insignia

	Life support technician recruit	Life support technician apprentice	Life support technician crewman
Earth Starfleet
2260s
2270s
Late 2270s	N/A
2350s-2360s
2360s-2370s service uniform
2360s-2370s duty uniform
2370s-2380s

	Life support technician third class	Life support technician second class	Life support technician first class
Earth Starfleet
2260s
2270s
Late 2270s	N/A
2350s-2360s
2360s-2370s service uniform
2360s-2370s duty uniform
2370s-2380s

	Chief life support technician	Senior chief life support technician	Master chief life support technician
Earth Starfleet
2260s
2270s
Late 2270s
2350s-2360s
2360s-2370s service uniform
2360s-2370s duty uniform
2370s-2380s