Soldiers assigned to 2nd Battalion, 7th Infantry Regiment, 1st Armor Brigade Combat Team, 3rd Infantry Division familiarize their Polish counterparts on the operation of American armored combat vehicles during Operation Atlantic Resolve here March 20. First Brigade, 3rd Infantry Division is an armored brigade combat team and the U.S. Army’s current regionally aligned force for Europe. They will spend the next three months training alongside NATO allies in support of OAR as we work together to build interoperability between our armies. (Photo by U.S. Army Staff Sgt. Cooper T. Cash, 319th Mobile Public Affairs Detachment)