The Beechcraft RC-12 Guardrail is a signals intelligence collection platform based on the civilian Beechcraft King Air utility aircraft.
https://s3-us-west-1.amazonaws.com/h...raft_rc12n.jpg
https://s3-us-west-1.amazonaws.com/h...aft_rc12n2.jpg
Previously:
https://www.homemadetools.net/forum/...255#post134813
https://www.homemadetools.net/forum/...839#post119295
https://www.homemadetools.net/forum/...693#post128791
https://www.homemadetools.net/forum/...301#post126898