A prospective rescue swimmer prepares to swim laps while holding a 10-pound weight in the pool at the Aviation Technical Training Center on Coast Guard Base Elizabeth City, North Carolina, Dec. 18, 2019. The Coast Guard is graduating a class on Dec. 20, 2019, which will contain the 1,000th rescue swimmer to graduate from their physically demanding Aviation Survival Technician training program.(U.S. Coast Guard photo courtesy of Seaman Katlin Kilroy)