Arctic Edge 2026

U.S. Navy Hospital Corpsman 2nd Class Will Jones, right, attached with 4th Light Armored Reconnaissance Battalion, 4th Marine Division and U.S. Marine Lance Cpl. Christophe Marlin Jr., left, a rifleman with India Company, 3rd Battalion, 25th Marine Regiment, 4th Marine Division in support of Special Marine Air-Ground Task Force UNITAS LXIII renders aid to a simulated casualty on a Marine during combat casualty care drill while aboard the amphibious transport dock ship USS Mesa Verde (LPD 19) during exercise UNITAS LXIII in the Atlantic Ocean, Sept. 17, 2022. Practical application of tactical combat casualty care ensures Marines and Corpsmen can apply essential life saving techniques in a timely and efficient manner. UNITAS, which is Latin for “unity,” was conceived in 1959 and has taken place annually since first conducted in 1960. This year marks the 63rd iteration of the world’s longest-running annual multi-national maritime exercise. Additionally, this year Brazil celebrated its bicentennial, a historical milestone commemorating 200 years of the country’s independence. (U.S. Marine Corps photo by Cpl. Ryan Schmid)