AEROSPACE • DICCIONARIO INGLES.COM • Definition of Aerospace

... scientific and engineering effort there will be found requirements for the services of almost every type of scientist and engineer to a greater or less degree. In the forefront, of course, are the aerospace and astronautical engineers but the development of the Saturn launching vehicle has also enlisted the cooperation of civil, mechanical, electrical, metallurgical, chemical, automotive, structural, radio, and electronics ...

— The Practical Values of Space Exploration • Committee on Science and Astronautics

... products. At the same time, they face higher barriers to entry in their rivals' home markets than the barriers to entry of foreign firms in US markets. In all economic sectors, US firms are at or near the forefront in technological advances, especially in computers, and medical, aerospace, and military equipment, although their advantage has narrowed since the end of World War II. The onrush of technology largely explains the gradual development of a "two-tier labor market" in which those at the bottom lack the education ...

— The 1997 CIA World Factbook • United States. Central Intelligence Agency.