The corvette 'Stoykiy' (Steady) is moored in front of the Dvortsovy (Palace) drawbridge, rising above the Neva River during a Naval parade rehearsal in St.Petersburg, Russia, early Friday, July 21, 2017. The celebration of Navy Day in Russia is traditionally marked on the last Sunday of July and will be celebrated on July 30 this year. (AP Photo/Dmitri Lovetsky)