Swedish Marines, 4th Boat Training Company, 2nd Swedish Marine Battalion, dock Swedish Combat Boat 90s, during exercise Archipelago Endeavor 2022, at Berga Naval Base, Sweden, Sept. 13, 2022. AE22 is an integrated field training exercise that increases operational capability and enhances strategic cooperation between the U.S. Marines and Swedish forces. - Swedish Marines, 4th Boat Training Company, 2nd Swedish Marine Battalion, dock Swedish Combat Boat 90s, during exercise Archipelago Endeavor 2022, at Berga Naval Base, Sweden, Sept. 13, 2022. AE22 is an integrated field training exercise that increases operational capability and enhances strategic cooperation between the U.S. Marines and Swedish forces.