Fortress America : the forts that defended America, 1600 to the present /
Kaufmann, J. E.
Kaufmann, H. W.
Idzikowski, Tomasz.
Cambridge, Mass. : Da Capo Press,
2007, c2004.
Includes bibliographical references (p. 406-410) and index.
Fortification
Coast defenses
Ballistic missile defenses
Radar defense networks
Military readiness.