<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cab0e84fccc_-_joe-nuke-p3-1010-lg.jpg>
<http://www.popularmechanics.com/military/weapons/a6169/behind-the-scenes-at-a-nuclear-alert-facility/>