This eBook describes some of the iconic, expendable upper-stage rocket vehicles that American aerospace engineers and program managers have used to accomplish this important task. Readers will learn about the Agena and Centaur upper-stage rocket vehicles and the inertial upper stage (IUS) system. Selected missions enabled by each of these marvelous families of propulsion machines highlight their collective contributions to the security of the United States, as well as the comprehensive exploration of the solar system from the Sun and Mercury to beyond Neptune and Pluto.
For 80 years, Infobase has created and curated exceptional through Imprints such as from Facts on File, Bloom's, Chelsea House, Fergusons and Omnigraphics.
