FAIRFIELD-SUISUN, CALIFORNIA Staff Sgt. Cade Yandell stands in front of a KC-10 Extender at Travis Air Force Base, Tuesday, Feb. 2, 2021. He recently attended the 509th Weapons Squadron’s 15-week Advanced Instructor Course at Fairchild Air Force Base, Washington. The course focused on the KC-135 Stratotanker. (Chustine Minoda/U.S. Air Force file photo) Travis sergeant adds to family’s flying lore TRAVIS AIR FORCE BASE — Aviation history runs in the blood of Staff Sgt. Cade Yandell. The sergeant at Travis Air Force Base is the descendent of several generations of flyers – his father, who received his pilot’s license at 15, an uncle who flew commercially and a grandfather who taught a generation of flyers, including Amelia Earhart.