1548082415BoeingBrandywineBrandywine AirportCH46ECanonCanon 40DHMM774John KlosKOQNMQ436MilitaryOQNPennsylvaniaRotorfest 2012Sea KnightTamron SP AF1750mm F2.8 XR Di II VC LD AsphericalUS Marinesaircraftaviationhelicopterspotting