Sounds like the USAF labs are looking at reusable flyback boosters....
USAF powerpoint presentation....
Story....
The US Air Force has announced that it is interested in a "Reusable Booster System" (RBS) - a combination of rocket and aeroplane which could replace the first stage of existing orbital launch stacks. After the upper stages separated and carried on into space, the winged RBS would glide down to a winged landing for refuelling and subsequent re-use.
The RBS plans are the subject of a "concept options maturation study" announced this week by the Air Force Research Laboratory, aimed at an expected "integrated demonstration project" in future. In outline, the air force boffins set out what they're interested in doing:
Studies have suggested that a Reusable Booster System (RBS) could reduce the cost of space transportation by significantly reducing the amount of flight hardware expended to achieve orbit while maintaining a moderate vehicle stack weight and associated development cost ... The architecture consists of a reusable booster that can be integrated with a family of expendable stages to support the full range of [military] payloads from suborbital missions to operationally responsive payloads to heavy-lift missions.
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The RBS plans are the subject of a "concept options maturation study" announced this week by the Air Force Research Laboratory, aimed at an expected "integrated demonstration project" in future. In outline, the air force boffins set out what they're interested in doing:
Studies have suggested that a Reusable Booster System (RBS) could reduce the cost of space transportation by significantly reducing the amount of flight hardware expended to achieve orbit while maintaining a moderate vehicle stack weight and associated development cost ... The architecture consists of a reusable booster that can be integrated with a family of expendable stages to support the full range of [military] payloads from suborbital missions to operationally responsive payloads to heavy-lift missions.
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