Servicing the Falcon... Staff Sgt. Austin Klein, 180th Fighter Wing crew chief, services a liquid oxygen bottle for an F-16 Fighting Falcon during exercise Northern Lightning at Volk Field in Camp Douglas, Wis., Aug. 7, 2023. Northern Lightning is a joint training exercise emphasizing user-defined objectives resulting in tailored, scenario-based, full-spectrum training. 📸 Airman 1st Class Sarah Stalder Lundgren 180fw airnationalguard #airmen #airman #military #crewchief #f16 #ANG #USAF #militaryaircraft