TRAVIS AIR FORCE BASE, Calif. -- Senior Airman Pooian Sharifi, Medical Admin with the 349th Aeromedical Staging Squadron instructs Tech. Sgt. Jeremy Cabral, Passenger Services Craftsman with the 45th Aerial Port Squadron, on how to properly perform the head-tilt chin-lift, jaw-thrust technique and insert the Nasopharyngeal Airway on Staff Sgt. Wilbur Doty, Passenger Services Journeyman, also with the 45th APS, during a hand-on skills training held at the David Grant Medical Center on Nov. 9, 2014. (U.S. Air Force photo / Staff Sgt. Amelia Leonard)