U.S. Army CH-47 Chinook helicopter crew-chief assigned to the 25th Combat Aviation Brigade, supports Navy Special Warfare Command waterborne operations at Pearl Harbor, Hawaii, July 25, 2019. U.S. Navy SEALs engage in a continuous training cycle to improve and further specialize skills needed during deployments across the globe. SEALs are the maritime component of U.S. Special Operations Forces and are trained to conduct missions from sea, air, and land.