RAF Typhoon jets have operated alongside French aircraft in a coordinated attack targeting an hidden munitions depot in Syria employed by the Islamic State group (IS), according to the UK's MoD.
The facility, located using surveillance, was believed to be containing munitions and bombs, the statement said, and was located in mountainous terrain just above Palmyra in the heart of Syria.
"Our fighter planes utilized Paveway IV guided bombs to target a series of entry passages providing entry to the depot... initial indications suggest the objective was successfully hit," the ministry announced.
There was no evidence of any harm to civilians in the operation late on Saturday and every plane involved returned to base without incident, the defence officials confirmed.
The British jets were assisted by a Voyager aerial refuelling aircraft.
IS - also known as ISIS - established militant control over parts of both Syria and Iraq until 2019.
"This action shows the UK's leading role, and determination to operate in unison with our partners, to eliminate any resurgence of the terrorist group and their dangerous and violent ideologies in the region," the British Defence Secretary the Defence Secretary said.
British military aircraft have conducted overwatch operations over Syrian airspace to "deter any efforts to regroup" of Islamic State subsequent to its routing at the battle of Baghuz in 2019, the authorities noted.
"I extend gratitude to all the members of our armed forces participating in this mission for their professionalism and their courage," the Defence Secretary added. "They were part of thousands of British troops on duty over Christmas and New Year. This operation, to take out dangerous terrorists who threaten our way of life, demonstrates how our armed forces are ready to step up, throughout the year, keeping Britain secure at home and powerful internationally."
In December, the American forces conducted what it termed a "major assault" against Islamic State objectives in Syria, subsequent to an attack claimed the lives of two US servicemembers and a civilian linguist in Palmyra.
The UN estimates Islamic State still has roughly 5-7 thousand fighters in Syria and Iraq.
