A Stryker Infantry Carrier Vehicle, belonging to 3rd Squadron, 2d Cavalry Regiment, guards the outer perimeter of a tactical operations center as part of a simulated command post exercise in support of NATO's enhanced Forward Presence Battle Group Poland in Orzysz, Poland, Feb. 3, 2020. NATO’s enhanced Forward Presence consists of four battalion-sized battle groups deploying on a persistent rotational basis to Estonia, Latvia, Lithuania and Poland to demonstrate the alliance’s determination and ability to act as one in response to any aggression against its members.