Lt. Col. Jeffery J. Files, acting commander of 66th Troop Command, Mississippi Army National Guard, which is acting as high command during Allied Spirit I, briefs the unit Jan. 22, 2015, at the Joint Multinational Readiness Center in Hohenfels, Germany. The event includes more than 2,000 participants from Canada, Hungary, the Netherlands, the United Kingdom and the United States and exercises interoperability with NATO allies.