The USS Krotus (NCC-26544) was an Ambassador-class heavy cruiser in service to Starfleet in the 24th century.
In 2344, the Krotus intercepted a Romulan incursion across the Romulan Neutral Zone. (Decipher RPG modules: Starfleet Operations Manual, Starships)
| Ambassador-class explorer/heavy cruiser starships | ||||||||||||||||||||||||||||||||||||||||||||||
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| Federation Starfleet (primary universe) |
standard configuration | Adelphi • Ambassador • Assurance • Aurora • Ayers • Champlin • Crescent • Cybele • Enterprise-C • Excalibur • Exeter • Fury • Gandhi • Gravina • Hammarskjöld • Hannibal • Harding • Hawkesbury • Hickok • Horatio • Independence • Indianapolis • Iroquois • Isis • Kadosca • Krotus • Loma Prieta • MacDonald • Madison • Manassas • Monroe • Montgomery • Norman • Quiberon • Seattle • Shelton • Strong • Thelian • Thorn • Valdemar • Velasco • Warakurna • Wilson • Winslow • Yamaguchi • Zarnitza • Zhukov |  
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| variant configurations | Horatio-subclass: Horatio • Narendra-subclass: Narendra • Yamaguchi-subclass: Excalibur • Forrestal • Yamaguchi • Zhukov | |||||||||||||||||||||||||||||||||||||||||||||
| Terran Imperial Starfleet (mirror universe) |
Horatio • variant configurations: Ambassador | 
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