For many, the Sikorsky UH-60 Black Hawk helicopter, like the one involved in the Wednesday collision over the Potomac River ...

The UH-60 Black Hawk has been deployed to dozens of combat zones around the world. Sikorsky has built more than 5,000 of them in Stratford since the 1970s.

U.S. Army Black Hawk helicopter collided with American Eagle Flight 5342 on final approach to Ronald Reagan Washington National Airport over the Potomac.