RAF Typhoon jets have operated alongside France's air force in a combined operation targeting an underground arms cache in Syrian territory operated by the Daesh militant organization, according to the UK Ministry of Defence.
The site, pinpointed through surveillance, was thought to be storing arms and explosives, the release indicated, and was situated in mountains just north of the historic site of Palmyra in the heart of Syria.
"Our aircraft utilized laser-guided Paveway IV weapons to target a several entry passages down to the facility... initial indications are that the strike was effective," the ministry announced.
There was no indication of any civilian impact in the operation on Saturday evening and all the aircraft made a safe return, the defence officials confirmed.
The British jets were supported by a Voyager aerial refuelling aircraft.
Daesh - alternatively referred to as ISIS - enforced jihadist rule over significant areas in Iraq and Syria until 2019.
"This action demonstrates our UK leadership, and commitment to operate in unison with allied nations, to stamp out any revival of the terrorist group and their dangerous and violent ideologies in the region," Britain's Defence Chief the minister said.
RAF aircraft have performed overwatch operations over Syria to "deter any attempted resurgence" of the group subsequent to its defeat at the Baghuz confrontation in 2019, the MoD reported.
"I want to thank all the members of the UK armed forces involved in this mission for their professionalism and their bravery," he said. "They were among a great many British personnel on duty over the festive period. This action, to take out militants who endanger our safety, highlights how UK forces are prepared to act, all year round, protecting the UK at home and influential overseas."
During December, the US military carried out what it termed a "major assault" against IS targets in Syria, subsequent to an attack resulted in the deaths of two American soldiers and a civilian linguist in the Palmyra area.
The UN says Islamic State still maintains between 5,000 and 7,000 militants in both countries.
