Russia’s Navy began planned drills involving all but one of its fleets and an overwhelming majority of its warships, the defense ministry said Tuesday. “Units and formations of the Russian Navy have started scheduled exercises in the operational zones of the Northern, Pacific and Baltic Fleets, as well as in the area of responsibility of the Caspian Flotilla,” the Defense Ministry said. The multi-day drills notably omit the Russian Navy’s Black Sea Fleet, which has faced significant losses due to Ukrainian attacks in and around the annexed Crimean peninsula since Moscow launched its full-scale…