RAF Typhoon jets have operated alongside France's air force in a combined operation against an hidden munitions depot in Syrian territory used by the Daesh militant organization, according to the British defence ministry.
The location, pinpointed through surveillance, was assessed as housing weapons and explosive materials, the release indicated, and was situated in mountains just to the north of Palmyra in central Syria.
"Our fighter planes utilized precision-guided Paveway IV munitions to hit a number of access tunnels providing entry to the site... initial indications indicate the strike was effective," the MoD said.
There was no sign of any harm to civilians in the attack conducted Saturday night and every plane involved returned safely, the ministry further stated.
The Typhoon fighters were supported by a Voyager aerial refuelling aircraft.
IS - also known as Daesh - established jihadist rule over large swathes of Syria and Iraq prior to its 2019 collapse.
"This action demonstrates our UK leadership, and determination to stand shoulder to shoulder with our partners, to eradicate any re-emergence of the terrorist group and their dangerous and violent ideologies in the region," UK Defence Secretary the minister remarked.
UK warplanes have carried out patrols over Syria to "forestall any attempted comeback" of IS after its defeat at the battle of Baghuz in the year 2019, the authorities noted.
"I must thank the personnel of British forces involved in this operation for their skill and their courage," he added. "They were among numerous British personnel stationed over the holidays. This mission, to remove dangerous terrorists who pose a risk to our safety, demonstrates how UK forces are prepared to act, throughout the year, protecting the UK at home and influential overseas."
Last December, the US military executed what it called a "massive strike" on Daesh sites in the country, following an ambush claimed the lives of two US troops and a civilian interpreter in the Palmyra area.
The UN says IS still boasts between 5,000 and 7,000 combatants in Iraq and Syria.
