In an article entitled “U.S. Navy on alert: China, Russia to launch largest-ever joint navy exercise”, carried by The Washington Times and written by Guy Taylor, the author says that:

“The “Joint Sea 2015 II” exercises will run through Aug. 28 in the Sea of Japan and off the coast of Vladivostok” and that “The first “Joint Sea 2015” operation played out in the Mediterranean Sea in April.”

… Dr. Oh Eh Sun, Senior Fellow at S. Rajaratnam School of International Studies at the Nanyang Technological University Singapore commented on the issue.