Copy 162 of 300
ORO Log No. 56656
HOME DEFENSE DIVISION
PASSIVE DEFENSE GROUP
Report ORO-R-17, Appendix B
Published December 1956
Effectiveness of Some
Civil Defense Actions in Protecting
Urban Populations (u)
Appendix B of
Defense of the US
against Attack by Aircraft and Missiles (u)
by
we
John Balloch
Annex A by G. Trevor Williams
Annex B by Oscar Sutermei ster
Authorized by
Cth, Gpetnse
Director
ORG
OPERATIONS RESEARCH OFFICE
The Johns Hopkins University
Chevy Chase, Maryland
SPECIAL HANDLING REQUIRED
NOT RELEASABLE TO FOREIGN NATIONALS
EXCEPT NONE