After Chinese military officials observed a large-scale U.S. exercise, several of their American counterparts — on both sea and land — expressed interest in China returning the favor, Stars & Stripes reported. An exchange makes for a more “human” relationship between the two world powers, Lt. Gen. David Deptula said Wednesday. “If something happens, and the leadership knows each other, they can pick up the phone and talk about it,” Deptula said in a video-teleconference broadcast to Andersen Air Force Base. “We would like them to reciprocate. Deptula is running the joint U.S. Navy/Air Force air operations of Valiant Shield this week — the largest exercise of its kind in a decade. He declined comment on a Pentagon report in May that cites Beijing as a potential threat.