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bur reentry heating results diags
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bur heating gradient
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bur payload mount cog diag
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bur reentry heat gradient semyonov
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bur ejection seats abort diag
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bur additional odu tanks
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bur mid fuse payload bay fea model wireframe
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buran cabin pv diag semyonov
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bur abort modes diag semyonov
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bur vs bor4 reentry results
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bur cabin segments diag
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buran cabin pv diag interior semyonov
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bur orbiter layout diag semyonov
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bur pd bay diagr iso
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bur pd bay door mechs
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bur orbit comms network diag
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bur cockpit vac testing