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File:US Navy 090519-N-1121T-002 Personnel Specialist 1st Class Howard Williams models a prototype of the physical fitness uniform at the Navy Annex in Washington D.C.jpg - Wikimedia Commons
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U.S. Navy Uniforms in World War II Series: Weapons, Equipment, Insignia: Submarine Service, PT Boats, Coast Guard, Other Sea Services: Warner, Jeff: 9780764329227: Amazon.com: Books
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