 The cycloidal propeller offers powerful thrust levels, and a unique ability to change the direction of the thrust almost instantly.Since his inauguration in 2011 as KARI President, Kim has led the successes of the national aerospace R&D programs such as Naro, KOMPSAT-3 & 5, STSAT-3 and Smart UAV with leadership and scientific and technological competence.Kim also constructed the foundation of aerospace technology growth and contributed to the enhancement of national science and technology development.