Spectators in Russia's second largest city of St. Petersburg were treated to impressive fireworks as Navy Day celebrations wrapped up on Sunday, July 28, 2019. /VCG Photo

Navy Day is marked with parades all over Russia with over 4,000 troops and 40 vessels taking part in the parade along the Neva River in St. Petersburg, Russia, July 28, 2019. /VCG Photo

Chinese missile destroyer Xi'an of the 32nd Chinese naval escort fleet participates in a military parade in St. Petersburg, Russia, July 28, 2019. /VCG Photo