British Air Force Typhoon jets have operated alongside France's air force in a joint strike against an subterranean weapons facility in Syria used by the IS group, as stated by the British defence ministry.
The site, identified by reconnaissance, was thought to be containing munitions and bombs, the announcement noted, and was situated in mountains just above the historic site of Palmyra in the heart of Syria.
"The RAF jets utilized laser-guided Paveway IV weapons to target a several approach shafts down to the site... preliminary assessments are that the objective was successfully hit," officials stated.
There was no indication of any harm to civilians in the operation on Saturday evening and each participating jet returned to base without incident, the MoD added.
The Typhoon FGR4s were supported by a Voyager tanker plane.
IS - also known as ISIS - enforced extremist governance over significant areas in Iraq and Syria prior to its 2019 collapse.
"This action demonstrates our UK leadership, and commitment to stand shoulder to shoulder with our partners, to eradicate any re-emergence of IS and their dangerous and violent ideologies in the area," UK Defence Secretary the minister remarked.
RAF aircraft have carried out surveillance missions over Syria to "forestall any attempted resurgence" of the group following its defeat at the climactic battle in Baghuz in 2019, the ministry said.
"I want to thank every member of our armed forces participating in this strike for their skill and their courage," Healey commented. "They were among a great many UK service members on duty over the festive period. This mission, to remove terrorist threats who threaten our way of life, shows how UK forces are always on standby, continuously, keeping Britain secure at home and strong abroad."
Last December, the American forces conducted what it described as a "large-scale strike" targeting Islamic State objectives in the country, following an assault killed two American soldiers and a civilian interpreter in Palmyra.
The UN estimates Daesh still boasts an estimated 5,000 to 7,000 combatants in both countries.
