Title: World War I Anti-Submarine Patrols 
<p>Caption: Signaling the kite balloon from a patrol (SP) boat, while on anti-submarine patrol circa 1918. 
Description: 
Catalog #: NH 2806 
Credit: Naval History and Heritage Command 
Original Creator: 
After this Year: 1910 
Before this Year: 1919 
</p>
Original Medium: BW Photo
Unknown author<span style="display: none;">Unknown author</span>
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