The twin-rotor CH-47 Chinook first flew 51 years ago.
Boeing did a nice eight minute video:
Hat tip to Peter at Bayou Renaissance Man.
More links at his website -- an amazing machine. They are up to Rev. F and are expecting another 40-50 years service.
Just goes to show that when the engineering is right, the product is right.
Engineers rule!!!
Posted by DaveH at August 17, 2012 10:26 PM