<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54caf36723dfa_-_battle-blimp-01-0812-lgn.jpg>
<http://www.popularmechanics.com/military/g913/us-armys-new-battle-blimp-takes-flight/>