On Jan. 29, an American Airlines passenger jet and an Army helicopter collided as the plane prepared to land at Washington D.C.'s Ronald Reagan National Airport. Both plunged into the Potomac River, ...

Officials with the National Transportation Safety Board gave an update on their investigation Friday into the D.C. plane crash last month.

Check Out: 25 Places To Buy a Home If You Want It To Gain Value Learn More: How Middle-Class Earners Are Quietly Becoming Millionaires — and How You Can, Too These national average home sale ...