<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/15/31/980x490/landscape-1438459251-uss-gerald-r-ford-cvn-78-in-dry-dock-front-view-2013.JPG>
<http://www.popularmechanics.com/military/navy-ships/g123/inside-the-uss-ford-americas-newest-aircraft-carrier/>