A U.S. nuclear-powered aircraft carrier group is conducting operations in the Sea of Japan, officials said Tuesday, amid fears of new missile launches by North Korea in anticipation of Pyongyang’s upcoming national event. U.S. officials claimed that the USS Abraham Lincoln strike group is conducting operations with the Japanese forces in the Sea of Japan, also known as the East Sea, to reassure allies and partners of the U.S. commitment to maintaining stability in the region. South Korean Yonhap News Agency (YNA) cited unnamed sources who claimed that the aircraft carrier was operating in South Korea’s southeastern city of Ulsan, and is expected to stay in the East Sea for three to five days. South Korea’s Defense Ministry said it was aware that the carrier group is in international waters but declined to comment because it is a U.S. military asset. This is the first deployment of a carrier group …