GPS modernization challenges and military implications / 
Robert J. Samuelson and Marlin Mata editors 
 - New York :  Nova Science Pub.,  2012 
 - viii, 148 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781619425897 1619425890 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronautics, Military--United States<br/>Global Positioning System