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

April 29

The 82-foot patrol boats of Squadron One (RONONE) deploying from Subic Bay in the Philippines to the theater of operations in Vietnam. (U.S. Coast Guard)

1965  President Lyndon Johnson approved the commitment of Coast Guard forces to service in Vietnam under the Navy Department’s operational control.  The formation for service in Vietnam of Coast Guard Squadron One (RONONE) was announced.

1975  Coast Guard discontinued operations at Con Son Island LORAN Station.

USCGC STORIS moored alongside LAMUT. The 3″/50 was located in the gun tub on the O-1 deck just aft of the stack. During WWII the 180 foot buoy tenders has a similar installation. 

1992  CGC Storis‘ 3-inch/.50 caliber main battery was removed from the cutter.  It was the last 3-inch/.50 caliber gun in service aboard any U.S. warship.  The 3-inch/.50 was a dual-purpose weapon (surface and anti-aircraft) that had been in U.S. service since the 1930s.  It was shipped to Curtis Bay where is was made inoperable and then loaned to a VFW club.

2014  The Boston-based CGC Escanaba returned to its homeport after a 36-day patrol in the North Atlantic.  While out on patrol, the medium-endurance cutter focused on fisheries missions in support of Operation Atlantic Venture.  Escanaba’s crew conducted 26 law enforcement boardings during the patrol.  Crew members measured fishing gear, inspected daily catch limits and ensured that vessels’ safety gear was in good, working order.  The cutter crew also conducted 46 training evolutions with the crew of an MH-60 Jayhawk helicopter crew from Coast Guard Air Station Cape Cod.

The crew of U.S. Coast Guard Cutter Escanaba (WMEC 907) conducts small boat personnel transfers with the U.S. Coast Guard Cutter Isaac Mayo (WPC 1112), in the South Florida Straits, Feb. 26, 2024. Escanaba’s crew contributed to the interdiction and repatriation of over 100 migrants from Haiti and Cuba while patrolling the Coast Guard Seventh District’s area of responsibility. (U.S. Coast Guard photo by Seaman Laura Holguin-Rojas)