11. Hyflex was a miniaturized suborbital demonstrator of HOPE-X launched in 1996. 12. The first stage is reusable and will suborbital launch vehicle that preceded it. 13. Suborbital spaceflight in 2007 saw a number of sounding rocket and missile launches.14. This red light is emitted from a suborbital photophore. 15. Shepard's suborbital flight on May 5, 1961 lasted only 15 minutes. 16. The suborbital mission was to test how a packed sail would unfold in space. 17. MA-2 flew a successful suborbital mission that lasted 17 minutes 56 seconds. 18. Numerous projects of orbital and suborbital launch systems for satellites and manned flights exist. 19. Additionally, suborbital spacecraft have applications for faster intercontinental package delivery and passenger flight. 20. For example, it could be a spacecraft or missile in a suborbital trajectory.
