"At a time when no other country enjoys the advantages that the United States currently reaps from space, some U.S. officials argue that U.S. space defenses will be needed to protect access to critical military and civilian assets in orbit. Others argue that space should be a valuable 'sanctuary' from deployed weapons and military conflict. Clay Moltz has undertaken the only comprehensive study of the first 50 years of space security, highlighting the main trends..." (Quoted from product description)