The maneuvers test the U.S. military's ability to pour thousands of troops and equipment into Europe alongside NATO allies and partners in times of crisis.
A Russian naval task force has arrived in the northern Chinese port of Qingdao ahead of joint naval exercises this week that reinforce the growing bond between Beijing and Moscow.
Foreign Ministry spokesman Lu Kang told reporters on Monday that China dispatched planes and ships to demand that the guided-missile destroyer McCampbell leave waters around the Paracel Islands.