HTTBHigh Technology Test Bed
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Residential Energy Consumption Survey is available on the EIA Web site at httb://
This approach was continued in support of the Lockheed High Technology Test Bed (HTTB) Program and the USAF Autonomous Landing Guidance Program.
With a take-off weight of 59 000 kg thanks to its power-plant and power-assisted take-off the HTTB only needs a take-off strip 460 metres long.