RICHELSON Jeffrey T. <br/><br/>
America's space sentinels :  the history of the DSP and SBIRS satellite systems / 
Jeffrey T Richelson 
 - 2nd ed. expanded 
 - Lawrence, KS :  Univ Pr of Kansas,   2012 
 - xx, 384 pages : illustration ; 24 cm. 
 - Modern war studies .
<br/><br/> Previous ed.: 1999. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780700618804 (pbk.) :  21.50 GBP 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EARLY WARNING SYSTEMS<br/>SATELLITE RECONNAISSANCE<br/>SPACE SURVEILLANCE -- UNITED STATES -- HISTORY