Responders are working to recover the victims of Wednesday night's midair collision over Washington, D.C. It could be the deadliest crash to occur in U.S. airspace in at least 15 years.
Collisions like the one between an American Airlines plane and a helicopter over the Potomac River in D.C. this week have led to changes in the way we travel.
The tragic accident, caused by a midair collision between a regional American Airlines jetliner and an Army helicopter, is ...