 He also flew daring reconnaissance and bombing missions with such brio that he had earned all four classes of the Cross of Saint George by December 1915.Kokorin was engaged in aerial combat on several occasions while flying reconnaissance and bombing missions but failed to score any victories.He was aggressive enough that in his first combat, on 14 April 1916, it was noted that he and his observer attacked and drove off a German Albatros with pistol fire, though return machine gun fire wounded Kokorin's observer.