The Achernar subclass of Constitution-class heavy cruisers were on active duty in Starfleet during the late 23rd century. The first ships of the class were commissioned in the 2260s. (Star Fleet Technical Manual)
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/G3KL3GptOSuTbUtl4_wimQ== | 5.88129e-14 |