The Suborbital Pilot’s Ground School Manual – 2nd Edition Released
Project Mercury …. X15 …. SpaceShipOne … SpaceShipTwo … New Shepard Following the initial suborbital spaceflight programs in the 1960s all attention was on orbital and lunar flights. It wasn’t until the Ansari X Prize was announced in 1996 that attention returned to suborbital spaceflight. The prize was modeled after the Orteig Prize, won by …
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