Task Force Six was a United Federation of Planets Starfleet task force deployed during the Kelvan War in 2285. (Orion Press: In Harm's Way)
James T. Kirk was the commander of this task force.
Starfleet Command (RPG)[]
In this continuity, Task Force Six was one of three task forces assigned to the Starfleet Second Fleet in the late 24th century.
USS Britannica (NCC-84562) was the flagship of Task Force Six under the command of Colonel John Johnson.