Moscow will start a 10-day naval exercise on Tuesday, involving dozens of ships sailing in the Pacific Ocean and waters close to South Korea and Japan, Russia’s Defense Ministry said. “The sailors will practice anti-submarine operations, defending ship detachments at sea, joint missile strikes against groups of ships belonging to a hypothetical enemy, training to repel drone and unmanned attacks, and perform a set of practical training and combat exercises,” the ministry said in a statement. A video published by Russia’s Defense Ministry showed several ships and a submarine sailing out to sea …