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A comment on The New 'Dream Chaser' Spacecraft Prepares to Visit the ISS. Parent comment

Re:The New 'Dream Chaser' Spacecraft Prepares to Visit the ISS by icegreentea2 on Saturday May 18, 2024 @02:08PM (#40400809)
It's not explicitly clear (in english) from your links, but there is true design lineage from BOR to Dreamchaser. The HL-20 mold line was derived from spy plane imagery of BOR-4, and HL-20 was then the design basis for Dreamchaser.

https://sacd.larc.nasa.gov/vab/vab-projects/hl-20/

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Re:The New 'Dream Chaser' Spacecraft Prepares to Visit the ISS by avmich on Saturday May 18, 2024 @04:59PM (#40402067)
There's a long chain of influences across the border in winged spacecraft development. Dyna-Soar (https://en.wikipedia.org/wiki/Boeing_X-20_Dyna-Soar) project in USA pushed works on Spiral' project in USSR, and BORs are a part of that. It arguably provides a link from HL-10 via USSR projects to HL-20, among other things.
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