Lieutenant Chang, a tac officer in 2364
In Starfleet, TAC officers prepared and assessed potential cadets for entry into Starfleet Academy.
In 2364, Lieutenant Chang was serving as an Academy TAC officer at the Federation starbase on planet Relva VII. While there, he oversaw Wesley Crusher as he took the Starfleet Academy entrance exam. (TNG: "Coming of Age")
"TAC officer" is a real-life title used by a number of military training facilities, including the United States Military Academy (USMA), The United States Air Force Auxiliary Cadet Program (Civil Air Patrol), and the Warrant Officer Candidate School (WOCS). TAC stands for Training, Advising and Counseling, and TAC officers oversee the instruction, development and evaluation of cadets or candidates undergoing military training.
| Enlisted personnel | Commissioned officers | Generals and flag officers | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fleet: | CRM | PO | CPO | MID CDT | ENS | LT JG | LT | LT CMDR | CMDR | CAPT | FCAPT | CDORE | RADM | VADM | ADM | FADM | ||||
| Military: | PVT AMN | CPL | SGT | SSGT | MSGT 1SGT | 2nd LT | 1st LT | CAPT | MAJ | LT COL | COL | BRIG | MAJ GEN | LT GEN | GEN | MARSHAL | ||||
| Positions: | Boatswain • Chief • Corpsman • Engineer's mate • Specialist • Technician • Yeoman | TAC • SO • 3rd • 2nd • 1st • CO • DD | Portmaster • Chief of Staff • CinC | |||||||||||||||||
| Services: | Andorian • Bajoran • Cardassian • Ferengi • Jem'Hadar • Klingon • Romulan • SS • United Earth MACO • United Earth/Federation Starfleet • United States • 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.
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