Poland stands in formation for the opening ceremony of Rapid Trident in International Peacekeeping and Security Centre, Yavoriv, Ukraine, Sept. 3 2018. U.S. Army photo by Sgt. Erick Yates Operation Stonewall: KFOR and Kosovo Police face emergency response scenario together By Brian O'Rourke on September 23, 2016 T&P on Facebook Looking for a great career? Or know another veteran, service member, or military spouse who is? Get started at Hirepurpose.