British Air Force Typhoon jets have operated alongside French warplanes in a combined operation against an subterranean weapons facility in Syria operated by the IS group, according to the UK's MoD.
The location, identified by reconnaissance, was thought to be housing weapons and explosive materials, the announcement noted, and was located in hills just to the north of the ancient city of Palmyra in central Syria.
"The RAF jets used Paveway IV guided bombs to strike a several entry passages leading to the site... preliminary assessments suggest the strike was effective," the ministry announced.
There was no indication of any civilian casualties in the strike on Saturday evening and every plane involved returned to base without incident, the ministry further stated.
The Typhoon FGR4s were assisted by a Voyager tanker plane.
Daesh - alternatively referred to as Daesh - established militant control over large swathes of Syria and Iraq prior to its 2019 collapse.
"This strike shows the UK's leading role, and commitment to work closely with our allies, to eliminate any revival of the terrorist group and their violent and radical beliefs in the region," UK Defence Secretary the Defence Secretary remarked.
British military aircraft have performed surveillance missions over Syrian airspace to "forestall any efforts to regroup" of IS after its military defeat at the battle of Baghuz in 2019, the authorities noted.
"I want to thank all the members of our armed forces who took part in this strike for their professionalism and their valour," the Defence Secretary commented. "They were part of numerous UK service members stationed over the festive period. This mission, to remove militants who endanger our security, highlights how our armed forces are prepared to act, all year round, protecting the UK at home and powerful internationally."
Last December, the United States armed forces executed what it termed a "large-scale strike" on Islamic State objectives in the country, subsequent to an ambush claimed the lives of two American soldiers and a local interpreter in Palmyra.
The U.N. reports IS still maintains an estimated 5,000 to 7,000 fighters in Iraq and Syria.
