Lt. Col Mark Austin, Pennsylvania National Guard, meets his Estonian counterpart for the first time during the initial briefing by the Estonian Brigade commander as part of the Saber Strike 2012 High Command simulation exercise. Saber Strike 2012 is a multinational, tactical field training and command post exercise that involves more than 2,000 personnel from the U.S. Army’s 2nd Cavalry Regiment, Pennsylvania National Guard, 21st Theater Sustainment Command, the 4th U.S. Marine Division, the 127th Wing of the Michigan Air National Guard, Estonian, Latvian, and Lithuania armed forces, with contingents from Canada, Finland, France and the U.K. The exercise, led by U.S. Army Europe, is designed to enhance joint and combined interoperability between the U.S. Army and partner nations, and will help prepare participants to operate successfully in a joint, multinational, interagency, integrated environment.