A line of M1A2 Abrams Main Battle Tanks are parked and waiting for other crews to finish their portion of the course during crew gunnery training May 8, 2015, at the Camp Konotop, Poland, Range Complex. The tank crews, assigned to Company D, 2nd Battalion, 7th Infantry Regiment, 1st Armored Brigade Combat Team, 3rd Infantry Division, are part of Operation Atlantic Resolve, an ongoing multinational partnership focused on joint training and security cooperation between NATO allies.