Staff Sgt. John Klobushnik, 914th Aeromedical Evacuation Squadron medical technician, teaches other medical technicians from the 914th AES about proper life vest procedures at Barbers Point Airfield, Hawaii April 24, 2019. This was the last of the safety procedures before the flight took off and dissimilar aircraft training began. (U.S. Air Force photo by Senior Airman Grace Thomson)