alloy uav spaceplane(pumkin seed)

well i searched this sight found nothing,
not long ago i was at the NASA base at langley and the one at wallops island and at langleyafb and i saw this white perfectly round almost aircraft. it had short stubby wings and a stubby tail and almost no visible engine, shugo says it is a non blackproject in prototype form called pumkin seed that is the thing with brilliant buzzard that is launched, i have seen compgen pics but cant find them so can someone help with pics , this will haelp with the aurora aircraft research project