Endurance is a game-changer in modern combat missions—discover the ten US military aircraft the range envelope further than ...

Elevating or descending? Cruising altitude is a direct result of safety, fuel use, and comfort in a myriad of ways.

The National Transportation Safety Board says the helicopter must be recovered from the Potomac River so it can get more precise data.

Victims' families gathered near the site where a plane and copter collided and fell into the Potomac River. 'They are all ...