Sentinel Task Force

The Sentinel Task Force, or Sentinel, is a Tier 1 international coalition of Special Forces Operatives formed by the United States of America in response to the rise of Atlas Corporation.

The most common squad seems to be lead by Sergeant Cormack.

Future Warfare
Sentinel will appear in Future Warfare along with The B Team, Atlas Corporation, Slade's Ensemble, Talon Laboratories, Task Force 141, Team RWBY, Omega League, Scorpion Squad, and Team Free Will.

They be commanded by Twilight Sparkle.