The Kotoi was a Federation type 7 shuttlecraft that was in service with Starfleet in the mid-24th century, attached to the USS Liberator. It was shuttle number 07.
The Kotoi escaped the destruction of the Liberator at the Battle of Wolf 359 but was seriously damaged by the Borg, resulting in a massive hull breach and the death of a crewmember aboard the shuttle.
The shuttle was later found adrift amongst the destroyed starships upon the arrival of the USS Enterprise-D. (TNG: "The Best of Both Worlds, Part II")
The Kotoi was apparently intended to be a part of the debris field at Wolf 359, although it has not been firmly identified on screen. Model builder Gregory Jein has stated, "Some of them were probably too gruesome for the actual close-ups, 'cause we had something like a shuttlecraft that was ripped open, and had bodies strapped to the chairs inside and had some corpses with ragged clothes hanging around on sticks to show floating in space, but I don't think they didn't any of that or else they were so small you couldn't see it." (The Best of Both Worlds (Blu-ray)-special feature, "Regeneration: Engaging the Borg") A photograph of Jein's studio model appeared in The Art of Star Trek, page 102. Recently, another photograph of the model, showing a reverse angle, was revealed on the DrexFiles web blog(X).
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