31. This limitation of rocket propulsion is one of the main motivations for the ongoing interest in field propulsion technology. 32. Central Aerohydrodynamic Institute ) hosted a conference for aircraft chief designers on the subject of ramjet and rocket propulsion . 33. Thiokol has made solid rocket propulsion systems since the beginning of manned space flight and employs about 3, 800 people. 34. Thiokol's business was split roughly 50-50 between Defense Department contracts and providing solid rocket propulsion systems for the space shuttle. 35. In 1956 he discovered and developed a wax / oxygen fuel for space rocket propulsion and coined the word, waxogen. 36. There was speculation on Wall Street that the dispute hurt Alliant Techsystem's chances because of Thiokol's expertise in rocket propulsion . 37. The department received numerous grants, including a contract for research in rocket propulsion in 1971 amounting to $ 71, 000. 38. Kilgore can also use rocket propulsion both as an offensive move and a means of quickly moving around the stage. 39. The performance of the He 176 was not spectacular, but it did provide " proof of concept " for rocket propulsion . 40. In 2012 he received their AIAA Wyld Propulsion Award for outstanding achievement in the development or application of rocket propulsion systems.
