Video: Lockheed Promo film from 1967 - "Low and Fast"

A must watch for helicopter fans in particular, or anyone with an eye for uncommon flying machines - includes some great footage of the XH-51A Compound:

http://www.youtube.com/watch?v=s5J_4JTIm9g

http://www.youtube.com/watch?v=s5J_4JTIm9g