Defense Secretary Lloyd Austin told U.S. troops that the Pentagon will make a “calm, orderly, and professional transition” to the incoming Trump administration, according to a Wednesday memo. “Our fellow citizens have elected the next President of the United States,” Austin wrote. “As it always has, the U.S. military will stand ready to carry out the policy choices of its next Commander in Chief, and to obey all lawful orders from its civilian chain of command.” He also wrote that U.S. service...