Upon commissioning, USCGC Maui was assigned to Commander, Coast Guard Patrol Boat Squadron ONE (renamed FOUR in 1989), homeported in Miami Beach, Florida.
[5] May 10, 2021 Incident On 10 May 2021, USCGC Maui made international headlines after firing 30 warning shots at a squadron of 13 Iranian Revolutionary Guard fast attack craft that were harassing a flotilla of six US Navy warships escorting the guided missile submarine USS Georgia.
"After following all the appropriate and established procedures involving ships: horn blast, bridge-to-bridge radio transmissions and other ways of communicating, the [U.S.] Coast Guard Cutter Maui fired approximately 30 warning shots from a 50 caliber Machine gun.
"[7] On 19 May 2021, President Joe Biden alluded to Iranian fast-attack boat harassment and Maui during his keynote address at the US Coast Guard Academy's 140th Commencement ceremony: "Based alongside the United States Navy Fifth Fleet in Bahrain, you had to face down harassment of Iranian fast-attack boats in recent weeks.
And in recent weeks, the U.S. Coast Guard Cutter Maui had to fire 30 warning shots to deter such irresponsible and unsafe maneuvers in the region.