Swedish soldiers fire their Stridsvagn 122 main battle tank gun while conducting offensive lane operations during the Strong Europe Tank Challenge, Grafenwoehr, Germany, June 7, 2018. The Swedish soldiers are assigned to the Wartofta Tank Company, Skaraborg Regiment. U.S. Army Europe and the German Army co-host the third Strong Europe Tank Challenge at Grafenwoehr Training Area, June 3-8, 2018. The Strong Europe Tank Challenge is an annual training event designed to give participating nations a dynamic, productive military partnerships, form soldier-level relationships and share tactics, techniques and procedures. Army photo by Gertrud Zach