File:US Navy 081022-N-2183K-158 Sailors test the integrity of a soft patch in a pipe patching competition.jpg - Wikimedia Commons
Pipe Pressure
File:US Navy 050923-N-4887C-001 Capt. L. David Marquet is piped ashore after being relieved by Capt. Joseph Tofalo as Commander, Submarine Squadron Three.jpg - Wikimedia Commons
United States Navy USN 2nd Class Diver 1 Lapel Pin : Clothing, Shoes & Jewelry
U.S. Sailors practice a soft pipe-patching during Damage - PICRYL - Public Domain Media Search Engine Public Domain Search
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1720-15 - NDS 1720-15 - 1-1/2 IPS PVC White True Union Swing Check Valve (Socket)
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Types of Navy Patches for Damaged Pipes
File:US Navy 051022-N-6843I-003 A member of the Navy League Sea Cadet Corps (NLCC) stands an uniform inspection.jpg - Wikipedia
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