In this photo made from video released by Russian Defense Ministry official website on Friday, Nov. 20, 2015, a Russian air force Tu-160 bomber, right, is escorted by an Su-30SM on a combat mission against a target in Syria, according to information provided by Russian Defense Ministry. Russian long-range bombers and navy ships have launched 101 cruise missiles in four days, including 18 fired by Russian navy ships from the Caspian Sea on Friday, according to information released by Russian Defense Ministry.(AP Photo/ Russian Defense Ministry Press Service)