Chemical, biological, radiological and nuclear defense teams from 12 NATO nations participated in Slovakia’s 10th Annual Exercise Toxic Valley Sept. 5-16. The Slovak Republic hosts the exercise to provide world-class training to members of the NATO alliance. The exercise, conducted at the CBRN Training and Testing Center Zemianske Kostol’any, gives warfighters the opportunity to train sampling and identification of chemical warfare agents in realistic conditions. (U.S. Army video by Troy Darr, U.S. Army NATO Brigade)