RAF Typhoon FGR4s have joined forces with France's air force in a coordinated attack against an hidden munitions depot in Syrian territory employed by the Islamic State group (IS), according to the UK's MoD.
The site, pinpointed through reconnaissance, was believed to be containing munitions and bombs, the statement said, and was positioned in mountains just to the north of the ancient city of Palmyra in central Syria.
"Our fighter planes utilized precision-guided Paveway IV munitions to hit a series of approach shafts down to the facility... preliminary assessments indicate the strike was effective," the MoD said.
There was no sign of any civilian casualties in the strike conducted Saturday night and all the aircraft made a safe return, the MoD added.
The Typhoon FGR4s were assisted by a Voyager tanker plane.
IS - also known as ISIS - imposed militant control over significant areas in Iraq and Syria until 2019.
"This action shows British leadership, and determination to operate in unison with allied nations, to eradicate any revival of Daesh and their violent and radical beliefs in the Middle East," Britain's Defence Chief the minister stated.
UK warplanes have carried out surveillance missions over Syrian airspace to "deter any efforts to regroup" of IS following its military defeat at the climactic battle in Baghuz in the year 2019, the authorities noted.
"I want to thank the personnel of British forces participating in this operation for their expertise and their valour," Healey added. "They were among thousands of British personnel on duty over the holidays. This action, to take out dangerous terrorists who endanger our safety, shows how UK forces are always on standby, throughout the year, protecting the UK at home and influential overseas."
In December, the American forces conducted what it described as a "major assault" targeting Daesh sites in Syria, subsequent to an attack claimed the lives of two US troops and a local interpreter in the Palmyra area.
The UN reports Islamic State still maintains an estimated 5,000 to 7,000 fighters in Syria and Iraq.
