U.S. Army Maj. Nathan Jeffers, center right, an intelligence officer assigned to the 1st Brigade Combat Team, 1st Cavalry Division, briefs French Army Lt. Gen. Eric Margail, center left, the commander of the Headquarters Rapid Reaction Corps-France, during Steadfast Jazz 13 Nov. 1, 2013, in Drawsko Pomorskie, Poland. Steadfast Jazz is a major field exercise conducted at several locations throughout Europe and designed to increase interoperability between NATO members. The badges in this image have been altered for security purposes.