Task Force Ten was a United Federation of Planets Starfleet task force deployed during the Kelvan War in 2285. (Orion Press: In Harm's Way)
Most of the vessels assigned to Task Force Ten never saw action during the war as they were defending the inner systems of the Federation.
Starfleet Command (RPG)[]
In this continuity, Task Force 10 was one of three task forces assigned to the Starfleet Fourth Fleet in the late 24th century.