Seaman Matheus Kirchner, a deck member assigned to the U.S. Coast Guard Cutter Eagle (WIX 327), studies a sextant aboard the cutter while transiting the Atlantic Ocean, July 15, 2026. Eagle is the Coast Guard's sail training ship, where cadets and crew train in traditional seamanship skills, including celestial navigation using a sextant. (U.S. Coast Guard photo by Petty Officer 3rd Class Ashly Murphy)