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What does RD3 stand for?

RD3 stands for Radarman Third Class (USN Rating)

This definition appears rarely and is found in the following Acronym Finder categories:

  • Military and Government

Samples in periodicals archive:

An honorably discharged veteran, he served his country during World War II as a Radarman third class for the United States Coast Guard, where he saw action in Guam.