The Klingon 688th Patrol Group was a military unit, a patrol group of Imperial Klingon Defense Force patrol craft starships.
History and specifics[]
In the later 23rd century, the 688th included K5-class gunboat vessels, and was was deployed in the area of space near the Muldor star system, under the command of then-governor Thought Admiral Krador. The squadron included the vessels K-5091, K-5175, K-5230, K-5236 and K-5416. This group operated under the authority of Commander Kurtic, captain of the flagship K-5175. The 688th's primary mission objective was the security of the area surrounding Muldor IV. (FASA RPG module: Termination: 1456)