Based on the Coast Guard Historian’s timeline, https://www.history.uscg.mil/research/chronology/
With inspiration from Mike Kelso

1790  A contract was signed for the construction of the “first” of the 10 revenue cutters, Massachusetts, at Newburyport, Massachusetts.

1952  A Merchant Marine Detail was established at Yokohama, Japan to handle increased merchant marine problems occurring there as a result of the Korean Conflict.

Pan Am Flight 6 ditching in the Pacific Ocean, photographed from US Coast Guard Cutter Pontchartrain. Note that engine #4 appears to be feathered.

1956  CGC Pontchartrain, on Ocean Station November, rescued the passengers and crew of Pan American Clipper Flight 6 after the clipper ditched between Honolulu and San Francisco. All 31 aboard survived with only minor injuries.

PanAmFlight6-Ditches. US Coast Guard Photo

USCGC Storis, a Arctic Patrol Cutter.

1992  CGC Storis became the first foreign military ship to visit the Russian port of Petropavlosk since the Crimean War.  During the goodwill visit, Storis conducted joint operations with the Russian icebreaker Volga.