<div class="description">
<ul><li><b>Scope and content:</b>  Original Caption: Famous depth bomb, Adm. Sims says killed the U-Boat. The failure of a British naval officer to run down a U-boat that had fired a torpedo at his cruiser was responsible for the birth of the depth bomb as it later became known, and the ultimate downfall of the undersea warfare. It was the depth bomb that made the German submarine useless and accounted for the sinking of the majority of the 205 raiders that were destroyed. Rear Adm. W. Sims, who commanded the American fleet in European waters during the war said. It is the belief of Adm. Sims, that no submarine can live against attack by destroyers equipped with depth bombs. "The bomb is of such simple construction and fills such an obvious need," said Admiral Sims, "that if it had not been invented at the period of the war it was, it must surely have come to light within a few months of that time. Taking apart a depth bomb device aboard the U.S.S. Bagley.</li></ul>
Photographer: Keystone View Co.</div>
<div class="fn value">
Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>