U.S. Army Soldiers assigned to the 46th Chemical Company speak with Senior Airman Derek R. Aalerud, assigned to the 439th Civil Engineering Squadron, to establish hot and cold lines within the contamination control area during a simulated chemical decontamination training exercise at Tactical Training Base Patriot on Fort McCoy, Wis., June 18, 2015. Soldiers and Airmen worked together to improve mission readiness as part of Combat Support Training Exercise (CSTX) 78-15-02. The 78th Training Division’s CSTX is a multi-component and joint endeavor which is integrated with Global Medic and QLLEX and occurring simultaneously at seven installations nationwide.