Royal Air Force Typhoon jets have operated alongside French warplanes in a coordinated attack on an subterranean weapons facility in Syrian territory operated by the Daesh militant organization, per a report from the UK's MoD.
The facility, identified by reconnaissance, was believed to be housing weapons and explosive materials, the statement said, and was positioned in mountainous terrain just to the north of the historic site of Palmyra in central Syria.
"Our fighter planes employed Paveway IV guided bombs to target a series of entry passages providing entry to the facility... preliminary assessments suggest the strike was effective," officials stated.
There was no indication of any civilian impact in the operation on Saturday evening and all the aircraft returned safely, the MoD added.
The Typhoon FGR4s were backed up by a Voyager aerial refuelling aircraft.
IS - also known as Daesh - imposed extremist governance over parts of both Syria and Iraq prior to its 2019 collapse.
"This operation shows British leadership, and commitment to work closely with allied nations, to eradicate any revival of IS and their harmful and extremist ideologies in the area," Britain's Defence Chief the minister said.
British military aircraft have carried out patrols over Syria to "prevent any attempted comeback" of the group subsequent to its routing at the climactic battle in Baghuz in 2019, the ministry said.
"I want to thank all the members of British forces who took part in this mission for their expertise and their valour," he added. "Including them were numerous British troops stationed over the holidays. This action, to take out militants who endanger our safety, shows how our armed forces are ready to step up, all year round, keeping Britain secure at home and influential overseas."
Last December, the US military carried out what it called a "massive strike" against Daesh sites in Syria, following an ambush resulted in the deaths of two American soldiers and a civilian linguist in Palmyra.
The U.N. reports Daesh still has between 5,000 and 7,000 fighters in Syria and Iraq.
