Here's what we know about Ryan Austin O'Hara, one of the soldiers aboard the helicopter presumed dead in Wednesday's crash.
Officials say there are no survivors among the 67 passengers on the aircrafts that collided above Washington, D.C.
A devastating mid-air collision near Reagan National Airport in Washington, D.C., involving an American Airlines jet carrying 64 passengers and a US Army Black Hawk helicopter with three aboard, has ...