Task Force K

Task Force K was a Starfleet task force extant in the early 23rd century.

In the late 2220s, Admiral Luther Whitetree commanded Task Force K aboard the USS Glasgow. Consisting of Glasgow and four starships, the task force met IKV Fencer at the Federation/Klingon border. ( novel: )

Speculation
The K stood for Klingon or perhaps Klinzhai.

Reference

 * Ford, John M. The Final Reflection. Pocket Books, 1984?