Travis airman dies en route to base hospital TRAVIS AIR FORCE BASE — An airman assigned to the 860th Aircraft Maintenance Squadron at Travis Air Force Base died Friday while en route to David Grant Medical Center from his on-base residence. The deceased airman was identified by base officials as Tech. Sgt. Aaron Cardin, 42, of Shelton, Washington. Cardin entered the Air Force May 9, 2013, and arrived at Travis Dec. 3, 2020. Cardin served as the lead technician for the electro-environmental shop for the C-17 Globemaster III. First responders were called to his on-base residence for emergency services. He died during transport to the hospital. The cause of death has not been determined at this time, base officials report.