Aircrafts from Russia's MIG aerobatics team perform during the 6th International Maritime Defence Show in St.Petersburg, Russia, on July 4, 2013. The aerobatic teams will entertain crowds at the 6th International Maritime Defence Show to be held here from July 3-7. (Xinhua/Konkov)
Aircrafts from aerobatics team "Russian Knights" and "Swifts" perform during the 6th International Maritime Defence Show in St.Petersburg, Russia, on July 4, 2013. The aerobatic teams will entertain crowds at the 6th International Maritime Defence Show to be held here from July 3-7. (Xinhua/Konkov)
People watch the performance of Russia's aerobatics teams during the 6th International Maritime Defence Show in St.Petersburg, Russia, on July 4, 2013. The aerobatic teams will entertain crowds t the 6th International Maritime Defence Show to be held here from July 3-7. (Xinhua/Konkov)
Aircrafts from Russia's MIG aerobatics team perform during the 6th International Maritime Defence Show in St.Petersburg, Russia, on July 4, 2013. The aerobatic teams will entertain crowds at the 6th International Maritime Defence Show to be held here from July 3-7. (Xinhua/Lu Jinbo)