The Navy began its 250th anniversary celebrations with a ship parade on the Delaware River in Philadelphia, where the service was founded in 1775. #foxnews #news #us #fox #usnavy #navy250 #navyanniversary #shipparade #philadelphia #delawareriver #military #navyhistory #patriotism Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ Download the Fox News app: https://foxnews.onelink.me/xLDS/