26K views · 658 reactions | X-47B made aviation history by successfully conducting the first ever autonomous aerial refueling of an unmanned aircraft – unlocking the full potential of what an autonomous surveillance, strike and reconnaissance system can do in support of critical national security missions. #NorthropGrumman #FlyingWingFriday | Northrop Grumman Corporation | Facebook

5.8M views · 385K reactions | Tigers make a lot of different sounds. You’re probably familiar with roaring and maybe even chuffing, but tigers will also moo or moan to express contentment. And Carolina Tiger seems pretty content. #tiger #predatorsnotpets #sanctuary #pittsboronc #chathamcountync | Carolina Tiger Rescue | Facebook

5.5K views · 193 reactions | Meet the first supersonic operational...