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

Twin Lights of the Navesink

1899  First Navy wireless message was sent via the Lighthouse Service Station at Highlands of Navesink, New Jersey.

1943  CGC E.M. Wilcox foundered off Nags Head, North Carolina. One crewman was lost.

1949  The rank of commodore, established in 1943 as a wartime measure, was terminated by the President under the provisions of an Act of Congress approved July 24, 1941.

Former USCGC Taney now a Museum Ship in Baltimore

1977 CGC Taney departed Ocean Station (OWS) Hotel on September 30, 1977 when the station was closed and replaced by a buoy.  This was the final ocean station patrolled by a Coast Guard cutter.  OWS Hotel, located 200 miles east of the Maryland/Virginia coast was first established in 1970 as part of a supplemental weather warning program for the tracking and improved forecasting of East Coast storms and hurricanes.  OWS Hotel was manned by the Coast Guard from August 1^st through April 15^th each year.  The termination of OWS Hotel marked the end of the Coast Guard’s participation in the manned ocean station program which began on February 10, 1940 when CGCs Bibb and Duane occupied stations Number 1 and 2 in the North Atlantic and continued through the end of the U.S. participation in the North Atlantic Ocean Station Program of the World Meteorological Organization and the International Civil Aviation Organization in 1974.

Marcus Island

1994  The crew of Coast Guard LORAN Station Marcus Island decommissioned their station and turned it over to the Japanese Maritime Safety Agency.  This was the last station in the Northwest Pacific LORAN chain to be decommissioned and turned over to the Japanese under a 1992 agreement between the two countries.

1997  Omega Navigation Station Hawaii ceased operation, coinciding with the end of worldwide Omega transmissions.

Coast Guardsmen from Port Security Unit 307 conduct seaward security for Department of Defense assets and personnel at Naval Station Guantanamo Bay, Cuba, April 25, 2022. During the nine-month deployment, unit operations focused on maritime defense, providing more than 30,000 hours of around-the-clock waterside and shore side anti-terrorism and force protection. U.S. Coast Guard by photo by Lt. Cmdr. Glenn Sanchez.

2015  Coast Guard Port Security Unit 308, based in Kiln, Mississippi, returned home from a nine-month deployment to Guantanamo Bay, Cuba in support of Operation Enduring Freedom and the Global War on Terrorism.  During the deployment, PSU 308 members maintained a continuous maritime anti-terrorism/force protection presence in the Naval Defensive Sea Area of Guantanamo Bay, Cuba, directly supporting the commander of Joint Task Force Guantanamo Bay Naval reservation and adjoining waters.  PSU 308 was commissioned September 16, 1998.  It has been mobilized five times to this point since its inception, twice to Kuwait in 2003 and 2010, once to Bahrain in 2002, and once previously to Guantanamo in 2007.  It was compromised of 142 selected reservists and six active duty personnel.  PSU 308 was an expeditionary warfare unit specializing in maritime anti-terrorism/force protection and port security in support of military or humanitarian operations worldwide.  PSU 308 maintained garrison facilities as a tenant command of Coast Guard Pacific Area Command in Kiln.