In the Pacific Ocean, aviation exercises involving the U.S. and its allies have begun, with more than 80 aircraft participating. The training center is located on the island of Guam, according to Yonhap. The annual Cope North exercise has been taking place at the Andersen Air Force Base in Guam since Monday, involving more than 80 military aircraft and some 3,000 troops from six countries, including the U.S., Japan, Australia, France, Canada, and South Korea. On the first day, the coalition of 33 aircraft performed an elephant walk, a tightly spaced taxiing formation of aircraft preparing for …