Indiana Air Guard Senior Master Sgt. Justin D. Scheumann, a fueling operations specialist, and Nigerien Maj. Issoufou M. Mahdio, from the directorate of hydrocarbon operations, open a compartment on a fuel truck during the site visit component of Operation Hydrocarbon June 12, 2019 at Camp Badage, Niger. The operation was a five-day exercise with a goal of exchanging tactic, procedures, and techniques for fuel, logistical, and maintenance operations.