Soldiers assigned to 1st Battalion, 22nd Infantry Regiment, 1st Brigade Combat Team, 4th Infantry Division, put on their Mission Oriented Protective Posture gear to protect themselves from a chemical attack during "Raider" Brigade's Raider Strike, May 22, 2012. The purpose of Raider Strike is to prepare soldiers for the National Training Center, and ties into decisive action training. This training features a hybrid threat reflective of the complexities of potential adversaries. "Raider Strike is the maneuver company commander's opportunity to refine their fundamental maneuver skills in the decisive action operations environment."