The Klingon D7 Battlecruiser was the height of the Klingon Empire's Defense Force in the 23rd century and saw several variations and revisions over its decades of service. A powerful starship in its own right, the D7 set the trend for consistent Klingon design going forwards, even with the revisions added by Star Trek Discovery and the various TOS and TMP versions we see.

00:00 Real Origins
01:47 Development Variations
04:48 Specifications
07:00 Summary

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