April 5, 2016 8:07 pm Lucca, 3-Legged Marine Corps Dog, Receives Service Medal A retired U.S. Marine Corps dog who lost one of her legs while protecting the lives of troops in Afghanistan was awarded a top military medal on Tuesday, April 5, 2016. US & World Videos 1:36 WATCH: Some of the most talked about looks at the Met Gala 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 1:47 Reese Witherspoon and Ryan Phillippe's daughter Ava calls out body shamers 1:41 Trump fined additional $1,000 for gag order violation and threatened with jail