Midshipman is an old naval designation for a student in training to become a commissioned officer, relative to the designation of cadet. Attendees of Starfleet Academy during the 23rd century were referred to as midshipmen.
James T. Kirk was a midshipman at Starfleet Academy when he met his friend Lieutenant Benjamin Finney. (TOS: "Court Martial")
Midshipman First Class Peter Preston was an engineer's mate aboard the USS Enterprise during its Starfleet Academy training cruise in 2285. (Star Trek II: The Wrath of Khan)
| Enlisted personnel | Commissioned officers | Flag officers | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fleet: | CRM | PO | CPO | MID CDT OC WO |
ENS | LT JG | LT | LT CMDR | CMDR | CAPT | FCAPT | CDORE | RADM | VADM | ADM | FADM | ||||
| Military: | PVT AMN |
CPL LCP |
SGT | SSGT | MSGT 1SGT |
2nd LT | 1st LT | CAPT | MAJ | LT COL | COL | BRIG | MAJ GEN | LT GEN | GEN | MARSHAL | ||||
| Services: | Andorian • Bajoran • Cardassian • Ferengi • Human (CSA • Third Reich • UE MACO • USA) • Jem'Hadar • Klingon • Romulan • United Earth/Federation Starfleet • Vulcan Mirror universe: Terran Empire Starfleet • Terran Empire MACO | |||||||||||||||||||
This chart shows only general equivalencies based on the ranks used by many governments on Earth, as well as the rest of the galaxy.