USCGC Patrol (1917)
USCGC Patrol, later AB-38, was a United States Coast Guard patrol boat in commission from 1917 to 1918 and from 1919 to 1940. She was the second vessel of the United States Revenue Cutter Service or U.S. Coast Guard to bear the name Patrol.
Read more about USCGC Patrol (1917): Construction and United States Coast Guard Service 1917-1918, United States Navy Service 1918-1919, United States Coast Guard Service 1919-1940