Deep Space Station K-7

Star Trek: The Original Series

Episode: TOS 042 - Trouble With Tribbles, The

A 22nd-century, civilian Federation outpost, K-7 was located near Sherman's Planet, and also located only one parsec from a nearby Klingon outpost.

In 2267, a Federation development project for Sherman's Planet was in jeopardy when approximately 1,771,561 tribbles infested the storage bins of quadrotriticale intended for the project, later found poisoned by Klingon agents.