'No cave in the world deep enough': Former Top Gun instructor on Iran strike

Former Top Gun instructor Dave Berke joins 'Fox & Friends Weekend' to break down the bomb and aircraft that would be used in a potential U.S. strike on one of Iran's key nuclear sites. 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 ...