Senior Airman Jodi Signer, 446th Aeromedical Evacuation Squadron aerospace medical technician, practices using a breathing apparatus during a training flight from Ramstein Air Base, Germany to McChord Field, Washington on a C-17 Globemaster III July 26, 2014. Running through emergency scenarios while in the air allows Reservists to become familiar with the aircraft environment so that they are better adjusted to treat patients during flight. (U.S. Air Force Reserve photo by Senior Airman Madelyn McCullough)