It was in 2011 that two aircraft landed at the Ronald Reagan Washington National Airport (DCA) after the lone air traffic controller working at the airport had fallen asleep. This closest airport to Washington D.C. and the busiest in the Washington Metropolitan area has a rich history full of such events that not a lot of people might be aware of. The operations to and from this airport are special too. Here are 5 nuggets of information about DCA that you might not know.