Two U.S. Coast Guard HC-144 Ocean Sentry aircraft fly in formation over the Black Hills of South Dakota near Keystone, S.D., Oct. 2, 2025. HC-144 Ocean Sentries, with a fixed length of over 70 feet, have an endurance of more than 10 hours and an extensive sensor capability that helps the Coast Guard fulfill its maritime patrol, drug and migrant interdiction, disaster response, and search and rescue missions. (U.S. Coast Guard photo by Petty Officer 3rd Class Cheyenne Basurto)