MOSCOW, July 25 (Xinhua) -- Russia held a military parade on the Neva River in St. Petersburg, the country's second largest city, to celebrate its Navy Day on Sunday.
About 4,000 sailors, more than 50 ships, boats and submarines, as well as 48 naval aviation airplanes and helicopters participated.
The Borei A-class strategic nuclear submarine, Prince Vladimir, made its first public appearance.
The Russian Navy has everything it needs to defend the country and its national interests, Russian President Vladimir Putin said when addressing the ceremony.
Putin reviewed the troops and congratulated sailors and veterans on the holiday, marked annually on the last Sunday of July.