U.S. Army Sgt. Evan Alviani assigned to 30th Medical Brigade pulls security for his team during the chemical, biological, radiological, nuclear lane as part of the U.S. Army Europe Best Warrior Competition at the 7th Army Training Command’s Grafenwoehr Training Area, Germany, May 7, 2019. The annual event allows Soldiers to determine who the best in Europe is as they push through a series of challenges throughout the week-long competition.