In an alternate reality that was created by Nero's time travel to the year 2233, the Federation Starfleet's evolution was changed. A number of different uniforms were in use in the 2250s, with rank insignia that were similar to, but not identical to, the unchanged reality. (TOS movie: Star Trek)

starship uniforms (sleeve insignia)
grade	command division	operations division	sciences division
cadet	[1]
ensign	[2]	[3]	[4]
lieutenant	[5]	[4]	[4]
lieutenant commander	[4]	[6]	[7]
commander	[4]	[4]	[8]
captain	[9]	[4]	[4]
admiral	[10]

Federation Starfleet rank eras
	2230s • 2240s-2260s • 2260s • 2270s • 2278-2350s • 2350s-2360s • 2360s-2370s • 2370s-2380s • 2386-2400s • 29th century • alternate histories: alternate reality 2250s • alternate reality 2390s/2400s
See also: Federation Starfleet ranks • United Earth Starfleet ranks • MACO ranks

ReferencesEdit

1. ↑ Cadet James T. Kirk (TOS movie: Star Trek)
2. ↑ Ensign Pavel Chekov (TOS movie: Star Trek)
3. ↑ Ensign Keenser (TOS movie: Star Trek)
4. ↑ ^{4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7} Insignia derived by combining ranks & divisions from other uniforms. (TOS movie: Star Trek)
5. ↑ Lieutenant Hikaru Sulu (TOS movie: Star Trek)
6. ↑ Lieutenant Commander Montgomery Scott (TOS movie: Star Trek)
7. ↑ Lieutenant Commander Leonard McCoy (TOS movie: Star Trek)
8. ↑ Commander Spock (TOS movie: Star Trek)
9. ↑ Captains James T. Kirk, Christopher Pike (TOS movie: Star Trek)
10. ↑ Admiral Christopher Pike (TOS movie: Star Trek)