Staff Sgt. Justin Wielock of the 103rd Civil Engineer Squadron uses a chainsaw to cut a tree during a debris clearing scenario, Sunday, July 15, 2018 at Volk Field Air National Guard Base, Wis. The debris clearing scenario was part of PATRIOT North 18, an annual joint training exercise that tests the interoperability of military and civilian agencies. (Air National Guard photo by Tech. Sgt. Tamara R. Dabney)