Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Ad Astra Rocket Company is a company dedicated to the development of advanced . Located in , several miles from 's , the company was incorporated on January 14, 2005. The President and CEO of Ad Astra Rocket Company is retired astronaut, Dr. . The company has been working on Chang-Diaz's concept of the Variable Specific Impulse Magnetoplasma Rocket, known by its acronym . The VASIMR is intended to achieve several advantages over current chemical rocket designs, including lunar cargo transport, in-space refueling, and ultra-high speeds for distant space missions.