The Kongo was eventually built to Mk II (Bonhomme Richard-subclass) specifications and entered service on reference stardate 1/9909. She was later refit to Mk III (Achernar-subclass) specifications on stardate 2/0406. (TOS reference: Federation Ship Recognition Manual)
- While the ship wasn't named, the Kongo's registry number was displayed on a chart in Commodore Stone's office.
The Kongo was under the command of Captain J.C. Frederiksen in 2274. That year, the Kongo, joined by the USS Halk and the USS Rome, responded to a distress call from a Federation outpost in the Orion sector. Upon arrival, the Starfleet ships were engaged by six Klingon D18-class ships, commanded by Captain Kresz sutai-Kargon. (FASA RPG: Star Trek IV Sourcebook Update)
- The timeline in the Star Trek IV Sourcebook Update claims the Kongo was destroyed when it engaged the Klingons. Unless another starship were assigned the name, or the wrecked Kongo had been refurbished, the ship wouldn't have been able to participate in the novel Shell Game or in Operation: Retrieve.
In 2275, the Kongo was 36 hours away from the USS Enterprise's position. The Kongo later met with the Enterprise at the Romulan Station Reltah. The Kongo was under the command of Capt Kosnett. (TOS novel: Shell Game)
|Early series of Constitution-class class I/class XI heavy cruiser starships|
|Federation, Starfleet||built to mk I specifications||Constellation • Constitution • Defiant • Endeavor • Enterprise • Excalibur • Exeter • Farragut • Hood • Intrepid • Kongo • Lexington • Potemkin • Republic • Valiant (I) • Yorktown|
|various specifications||Alexander • Asimov • Brahe • Confederate • Enterprise (Vardaine copy) • Excalibur II • Glory • Indomitable • Isshasshte • Reuben James • John F. Kennedy • Mendel • Nautilus • Olympus Mons • Ortisei • Pathfinder • Surak • Tao Feng • Trexelprise • Trojan • Venture • Zimbabwe|
| Terran Empire, Starfleet|
|Constitution • Carnage • Constellation • Banshee • Defiant • Enterprise • Excalibur (23rd century) • Excalibur (Excalibur-subclass) • Exeter • Hood • Kodos • Lexington • Nobunaga • Potemkin|
|23rd century subclasses: Bonhomme Richard-subclass (mk II) • Achernar-subclass (mk III) • Tikopai-subclass (mk IV) • Enterprise-subclasses (mk I-III refits)|
|Bonhomme Richard-subclass (Constitution-class mk II class I/class XI cruiser/heavy cruiser starships)|
|Refit with mk II engines||Kongo|
|Built to mk II specifications||Bismark • Bonhomme Richard • Centurion (fm. Farragut II) • Constellation II • Challenger • Eagle • El Dorado • Endeavour • Essex • Excelsior • Hornet • Intrepid • Kent • Merrimac • Monitor • Saratoga • Valiant II • Wasp • Yamato|
|Authorized for construction||Ari • Defiance • Krieger • Lafayette • Tori|