Soldiers from 5th Squadron, 4th Cavalry Regiment, 2nd Armored Brigade Combat Team, 1st Infantry Division from Fort Riley, Kansas, drive a M-113 Armored Personnel Carrier across the Kwisa River in Poland during a multi-national gap crossing exercise on Nov. 16, 2017. The U.S. Army, its allies and partners forge a dynamic presence with a powerful land network that simultaneously deters aggression and assures the security of the region. (Photo by U.S. Army Spc. Dustin Biven/22nd Mobile Public Affairs Detachment)