File:US Navy 081022-N-2183K-158 Sailors test the integrity of a soft patch in a pipe patching competition.jpg - Wikimedia Commons

File:US Navy 021023-N-0119N-002 Pipe patching techniques during safety stand-down.jpg - Wikipedia

File:US Navy 040805-N-0057P-003 Sailors assigned to Damage Control Repair Locker One Alpha (1A) practice pipe-patching techniques during a General Quarters.jpg - Wikimedia Commons

Types of Navy Patches for Damaged Pipes

VB-15 Bomber Squadron Fifteen Patch, Squadron Patches, Navy Patches

File:US Navy 090925-N-5345W-026 Chief Engineer Lt. Christopher Barnes addresses a Sailor during an all hands uniform inspection aboard the amphibious dock landing ship USS Fort McHenry (LSD 43) during a port visit to Salalah, Oman.jpg - Wikimedia

Pipe Pressure

Jubilee pipe patch hi-res stock photography and images - Alamy

File:US Navy 110812-N-DB801-028 Sailors patch a leaking pipe during a damage control Olympics aboard the U.S. 7th Fleet command ship USS Blue Ridge (LCC.jpg - Wikimedia Commons

File:Sailors practice fixing a broken pipe during a damage control training environment. (26088788186).jpg - Wikimedia Commons

United States Navy CPO (Chief Petty Officer) Cap Badge. Marked on back Acid Test. Pin back, however, portion of the roller catch lock missing, so will

US Navy CPO Cap Badge - Acid Test 1930s-1940s . FLU3615

LST-1161 USS Vernon County Patch, Amphibious Ship Patches, Navy Patches

Navy Test Pilot School Graduate_by US AUTHENTIC

DVIDS - Video - Damage Control Rodeo Pipe Patching