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Ambassador-class Enterprise-C from TNG "Yesterday's Enterprise"
The Ambassador-class is a model of Federation starship developed in the late 23rd or early 24th century.

Technical Data

The USS Ambassador.

There is little technical information available on the Ambassador-class. In an alternate timeline, the crew of the Enterprise-D described the Ambassador-class Enterprise-C as a little old, but still serviceable in their dwindling fleet[1]. Commander Data once described an Ambassador-class starship as a "heavy cruiser" [2]. The Ambassador-class has ten phaser arrays[3].


The Ambassador-class starship USS Enterprise responded to a distress call from a Klingon outpost that was under attack by four Romulan warbirds. The Enterprise was destroyed in the battle, but the Klingons regarded their actions as honorable, and the incident paved the way for the formation of an alliance between the Federation and the Klingon Empire.

Unit Run

  • USS Ambassador NCC-10521
  • USS Horatio NCC-10532
  • USS Enterprise NCC-1701-C
  • USS Zhukov NCC-26136
  • USS Valdemar NCC-26198
  • USS Yamaguchi NCC-26510
  • USS Excalibur NCC-26517
  • USS Exeter NCC-26531
  • USS Adelphi NCC-26549
  • USS Gandhi NCC-26632


  1. TNG "Yesterday's Enterprise"
  2. TNG "Conspiracy"
  3. The number of phaser arrays on the physical model.