Bulgaria on July 26 insisted that Russian aircraft had violated international rules while flying over the Black Sea although it conceded they had not flown into Bulgarian airspace.
Radio Free Europe/Radio Liberty: Bulgaria insists Russia violated international aircraft rules over Black Sea
A Russian Sukhoi Su-24 attack aircraft makes a very-low altitude pass by the USS Donald Cook (DDG 75),an Arleigh Burke-class guided-missile destroyer, operating in the Baltic Sea on April 12.
