U.S. Marines from Marine Rotational Force Europe participate in Exercise Archipelago Endeavor 23 in the vicinity of Berga, Sweden from 8 to 18 September 2023. An annual integrated field training exercise, Archipelago Endeavor 23 will feature American and Swedish Marines conducting a wide array of combined exercises -- from water survival training to vessel-borne raids and patrols in the archipelago of Sweden's eastern shores. This exercise increases interoperability between the forces of the two nations and enhances their strategic and tactical-level cooperation.