March 6, 2014 9:14 am 16th-Century Warfare Manual Shows Rocket Strapped to Cat Fanciful illustrations from a circa-1530 manual on artillery and siege warfare, digitized by the University of Pennsylvania, seem to show jet packs strapped to the backs of cats and doves. US & World Videos 1:36 WATCH: Some of the most talked about looks at the Met Gala 3:18 Cup of water leads to OC marathon disqualification 2:14 Kate Beckinsale returns to red carpet after hospitalization for mysterious illness 3:15 NSC reviewing cease-fire proposal: ‘I don't know that it gets any more sensitive than it is right now' 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks