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OPERATION HARDTACK. Project 3.5. Loading and Response of Submarine Hulls from Underwater Bursts
DAVID TAYLOR MODEL BASIN WASHINGTON DC
This project involved the measurement of the loading, strain, deformation, and damage to the hull of a submarine-like target resulting from planned near lethal attack during Shot umbrella. It also involved the measurement of hull strains in an operating submarine in simulated attack positions during Shots Wahoo and Umbrella. The objectives established for this project were 1 to determine the range for lethal hull damage to a submarine- like target under attack in shallow water by an antisubmarine nuclear weapon 2 to study the process of hull damange to a submerged target for correlation with observed pressure and existing approximate theories and empirical formulas and 3 to determine the response of the hull of a submarine in simulated attack position in both deep and shallow water.
Extracted version of report dated 15 Dec 1960.
Approved for public release; distribution is unlimited.