TY  - DATA
AU  - Hildreth,Steven A.
ED  - Library of Congress.
TI  - Ballistic missile defense: historical overview  
T2  - Report / Congressional Research Service
PY  - 2020///-
CY  - [Washington, D.C.]
PB  - Congressional Research Service
KW  - Ballistic missile early warning system
KW  - United States
KW  - National security
KW  - Ballistic missile defenses
N1  - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated 2008; GPO Cataloging Record Distribution Program (CRDP); Report includes bibliographical references
UR  - https://purl.fdlp.gov/GPO/gpo131731
ER  -