16391390003American Helicopter MuseumBellBoeingBrandywineBrandywine AirportCanonCanon 40DJohn KlosKOQNMilitaryOQNPennsylvaniaRotorfest 2012Tamron SP AF1750mm F2.8 XR Di II VC LD AsphericalUS MarinesV22Aairplaneaviationhelicopterospreyspotting