WT-1609 (EX)
EXTRACTED VERSION
OPERATION HARDTACK
April-OQctober 1958
411002
Project 1.4
Physical Characteristics of Craters From
Near-Surface Nuclear Detonations
Headquarters Field Command
Defense Atomic Support Agency
Sandia Base, Albuquerque, New Mexico
May 10, 1960
NOTICE
This is an extract of WT-1609, which
remains classified SECRET/FORMERLY
RESTRICTED DATA as of this date.
Extract version prepared for:
Director
Approved for public release;
distribution unlimited.
DEFENSE NUCLEAR AGENCY
Washington, D. C. 20305
31 October 1984
BEST COPY AVAILABLE