[SoftwareMaven]

Fascinating that there are air craft relics near the charts. I can only imagine that is part of the calibrating: so they can tell how large an aircraft is and what resolution they get for the size.

[_djo_]

Indeed, plus one of the aircraft is one of only two remaining examples of the X-21 [0]. I suspect the other is also derelict on the range somewhere.

http://en.wikipedia.org/wiki/Northrop_X-21