21. This suborbital test flight demonstrated the performance of GSLV Mk III in the atmosphere. 22. WK2 will provide preview flights offering several seconds of weightlessness before the suborbital event. 23. Other reports indicated that the launch was only a suborbital test of the rocket. 24. The Minotaur IV vehicle consists of Suborbital trajectories. 25. Quite possible that suborbital ballistic transport using rail guns or other technology is available. 26. That's how long Alan Shepard's suborbital flight in 1961 had lasted. 27. Shepard became the first American in space by making a suborbital flight in May 1961. 28. SpaceShipOne has conducted two human suborbital spaceflights. 29. The model finally developed into SpaceShipTwo, Virgin Galactic's second generation suborbital vehicle. 30. Returned to business in 2014 designing the DBeta suborbital and the Daedalus PSC true suborbital.
