Royal Air Force Typhoon FGR4s have joined forces with France's air force in a coordinated attack against an subterranean weapons facility in Syrian territory used by the IS group, according to the UK's MoD.
The location, identified by intelligence, was believed to be storing arms and explosives, the announcement noted, and was situated in mountainous terrain just to the north of Palmyra in the heart of Syria.
"The RAF jets utilized precision-guided Paveway IV munitions to strike a series of access tunnels leading to the depot... initial indications suggest the objective was successfully hit," officials stated.
There was no sign of any civilian casualties in the strike on Saturday evening and all the aircraft returned to base without incident, the ministry further stated.
The Typhoon fighters were backed up by a Voyager tanker plane.
The Islamic State group - also known as ISIS - established jihadist rule over large swathes of Iraq and Syria until 2019.
"This action demonstrates our UK leadership, and resolve to work closely with allied nations, to eradicate any resurgence of Daesh and their dangerous and violent ideologies in the area," the British Defence Secretary the Defence Secretary remarked.
UK warplanes have performed patrols over Syrian airspace to "forestall any efforts to regroup" of the group subsequent to its military defeat at the climactic battle in Baghuz in 2019, the authorities noted.
"I want to thank every member of British forces who took part in this mission for their professionalism and their bravery," Healey added. "Including them were thousands of British troops deployed over the festive period. This operation, to take out militants who threaten our safety, highlights how our armed forces are always on standby, all year round, ensuring Britain's security at home and strong abroad."
During December, the United States armed forces carried out what it termed a "major assault" on Daesh sites in Syria, subsequent to an assault resulted in the deaths of two US servicemembers and a civilian linguist in Palmyra.
The UN says Islamic State still boasts roughly 5-7 thousand combatants in Syria and Iraq.