A U.S. Navy amphibious assault ship arrived at a major southern naval base Friday to replenish supplies and provide rest for its crew members, South Korea's Navy said.The 40,500-ton USS Boxer amphibious assault ship, which is capable of carrying attack helicopters and F-35B stealth fighters, entered the base in Busan, 320 kilometers southeast of Seoul, earlier in the day, according to the Navy."On the occasion of the USS Boxer's arrival, the Navy plans to enhance exchange and cooperation with the U.S. Navy, and further solidify the combined defense posture," it said in a statement.Source: Yonhap News Agency