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Vandenberg aids during exercise Patriot Hook 2019
Tech. Sgt. Michael Mahaney, 445th Aircraft Maintenance Squadron hydraulic chief, removes pitot-static covers from a C-17 Globemaster III, assigned to Wright-Patterson Air Force Base, Ohio, during exercise Patriot Hook 2019, April 11, 2019, at Vandenberg Air Force Base, Calif. A pitot-static system is a pressure-sensitive instruments that is used in aviation to determine an aircraft's airspeed, altitude and altitude trend. The aircraft was required as the members simulated the real-world contingency exercise. (U.S. Air Force photo by Airman 1st Class Aubree Milks)