The Most Massive Helicopter Ever Flown by the US Military
10:57
The American Plane Reinvented to be Unstoppable
16:06
V-280 Valor – The future Black Hawk
15:03
El Sikorsky CH-53: el helicóptero más grande jamás construido en EE. UU.
12:42
Washington air disaster was “preventable” says US government | BBC News
17:20
DC-9 - father of the family
18:19
The Insane Engineering of the P-47 Thunderbolt
22:22
SPECIAL REPORT: American Airlines regional jet crashes after collision with Black Hawk helicopter
12:40