SD-4 Swallow
Aircraft
Original archive entry. The text, images and links below are kept as they were written.
American supersonic reconnaissance drone was built in 1960.
More at: SD-4 Swallow.
Aircraft
Original archive entry. The text, images and links below are kept as they were written.
American supersonic reconnaissance drone was built in 1960.
More at: SD-4 Swallow.