Several Russian SU-27 fighter jets escorted a group of French and U.S. warplanes over the Black Sea on Dec. 9, according to a video released on Friday by Russia’s Ministry of Defense. The defense ministry said airspace control systems in the country “detected aerial targets flying towards the Russian border over international waters in the Black Sea,” according to a statement obtained by Russian news agency TASS. “The planes were stopped from violating the Russian border,” it said. “After turning the foreign warplanes away from Russia’s border, the Russian fighter jets safely returned to their home airfield,” it added. French military officials said on Dec. 9 that two of its planes and a French refueling aircraft were being tracked on by two Russian fighter jets in international air space over the Black Sea. One day earlier, a Russian jet had already escorted two French warplanes, which Moscow had said aimed to prevent the …