German officer, Capt. Sebastian Strauch, a penetration tester of the Cyber Security Center in the Cyber and Information Domain Service, converses with 1st Lt. Chase Chemero, a cyber warfare operations officer of the 140th Cyber Operations Squadron, at Joint Base McGuire-Dix-Lakehurst, N.J., June 5, 2019. Strauch, who in the previous week, began his U.S. experience with 24 other German military members in Washington, D.C., said he learned a lot. He compared tools to adopt and share, and also explored New York City. (U.S. Air National Guard photo by Airman 1st Class Andrea A. S. Williamson)