Defense Launch: A Key Dimension of the Promise of Space.

摘要

Lyndon Johnson saw much promise in the U S space program in its early years. As President, he followed the agenda set by his immediate predecessors, Presidents Kennedy and Eisenhower; their long-term leadership is one of the major reasons why the space program is robust today. Space continues to offer promise in fulfillment of military, civil and commercial aims but a major limitation on our future capability to exploit its dimensions is an aging launch system.