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| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Eaglemoss Starships Collection magazine | Short Nacelle (630.94 m) | ||
| 2 | Production drawing | Norexan Class (603.5 m) | ||
| 3 | ENT | 2 | Regeneration | Borg Sphere (600 m) Stated in the episode and confirmed with comparison to the 344 metre USS Voyager in 'One'. | 
| Source : | Eaglemoss Starships Collection magazine | 
| Comment : | Short Nacelle (630.94 m) | 
| Source : | Production drawing | 
| Comment : | Norexan Class (603.5 m) | 
| Series : | ENT Season 2 | 
| Episode : | Regeneration | 
| Comment : | Borg Sphere (600 m) Stated in the episode and confirmed with comparison to the 344 metre USS Voyager in 'One'. | 
| © Graham & Ian Kennedy | Page views : 14,587 | Last updated : 28 Oct 2003 |