“If a secret weapon is defined as a truly effective weapon on which absolute secrecy has been maintained, then the Navy’s VT, or proximity fuze, was one of the outstanding secret weapons of the war.

1918 - SECNAV approves acceptance of women as yeoman (F) in U.S. 1942 - USS Cleveland (CL-55) demonstrates effectiveness of radio-proximity fuze (VT-fuze) against aircraft by successfully destroying 3 ...

The Crosley Corp. in Camp Washington was involved in a top-secret project to build proximity fuzes, which were called “America’s No. 2 secret weapon.” The proximity fuze increased the Allies’ success ...

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