Second officer is a military title that was held by many spacefaring civilizations. Aboard Federation starships, the Starfleet second officer is third-in-line for command, and usually fills a department head role in the senior staff, generally holding the rank of commander or lieutenant commander.
Second officers[]
- Lieutenant Commander Data (USS Enterprise-D, 2364–2371; USS Enterprise-E, 2372–2379)
- Ezri Dax (Deep Space 9, 2376–2380, as lieutenant; USS Aventine, 2380–2381, as Lieutenant Commander)
- Jadzia Dax (Deep Space 9, 2369-2371, as Lieutenant)
- Miranda Kadohata (USS Enterprise-E, from 2380, as Lieutenant Commander/Commander)
- Xintal Linojj (USS Enterprise-B, 2311-?, as Lieutenant Commander)
- Spock (USS Enterprise, 2253-2264, as Lieutenant; USS Enterprise, 2273, as Commander)
- Montgomery Scott (USS Enterprise, 2266-2285, as Lieutenant Commander/Commander; USS Enterprise-A, 2287-2293 as Captain) (often deferred command duties to other ranking commanders aboard)
- Saru (USS Shenzhou, 2249-56, as Lieutenant)
- Wheeler Stinson (Deep Space 9)
- Charles Tucker III (Enterprise (NX-01), 2151-2155, as Commander)
- Tuvok (USS Voyager, 2371-2377, as Lieutenant/Lieutenant Commander; USS Titan , 2380-, as Commander)
- Worf: Deep Space 9 - (2372-2375) (as Lieutenant Commander)
External link[]
- Second officer article at Memory Alpha, the wiki for canon Star Trek.