Unless you are part of the US Air Force -- and even if you are -- chances are that you have never seen something like this. Seventeen F-16 Fighting Falcons taxying down a runway, fully armed and ready for immediate take-off and battle.
No, the aliens are not arriving and China hasn't launched any missiles. The photo, taken by Staff Sgt. Rasheen Douglas, shows an "elephant walk" formation of Falcons from 8th and 419th Fighter Wings moving through the runway. It's the final part of an exercise designed to "showcase the capability of Kunsan Air Base [South Korea] Airmen to quickly and safely prepare aircraft for a wartime mission." [Flickr]