Soldiers drive tactical vehicles in a convoy along

Soldiers drive tactical vehicles in a convoy along State Highway 21 on Aug. 1, 2017, at Fort McCoy, Wis., as part of arrival operations for the Combat Support Training Exercise (CSTX) 86-17-02. The exercise, as well as the Global Medic 2017 Exercise, includes more than 12,000 service members from the Army, Navy, Air Force, and Marine Corps as well as from six countries training at Fort McCoy in August 2017. CSTX is a Combat Support Training Program exercise, which is a large-scale training event where units experience tactical training scenarios specifically designed to replicate real-world missions. (U.S. Army Photo by Scott T. Sturkol, Public Affairs Office, Fort McCoy, Wis.)