U.S. Air Force Tech. Sgt. Jesse Liethen, Survival, Evasion, Resistance, and Escape specialist with the 908th Operations Support Squadron, comes up for air after demonstrating how to use a Helicopter Emergency Egress Device System bottle during a Shallow Water Egress Trainer event at the East Branch YMCA, Montgomery, Alabama, Feb. 27, 2025. Recognizing that air supply is critical in a potentially submerged helicopter, the training emphasizes the use of HEEDS bottles and how to activate them underwater in case of needed deployment. (U.S. Air Force photo by Senior Airman Erica Webster)