Royal Air Force Typhoon fighter aircraft have conducted a mission with France's air force in a coordinated attack against an underground arms cache in Syrian territory operated by the IS group, per a report from the UK's MoD.
The location, pinpointed through intelligence, was thought to be housing weapons and explosive materials, the statement said, and was located in hills just above the ancient city of Palmyra in the heart of Syria.
"Our aircraft utilized precision-guided Paveway IV munitions to hit a several entry passages providing entry to the depot... preliminary assessments indicate the target was engaged successfully," officials stated.
There was no sign of any civilian casualties in the operation on Saturday evening and each participating jet returned safely, the MoD added.
The Typhoon fighters were assisted by a Voyager tanker plane.
Daesh - referred to as ISIS - enforced extremist governance over significant areas in Iraq and Syria before its territorial defeat in 2019.
"This action demonstrates our UK leadership, and determination to work closely with our allies, to eliminate any revival of Daesh and their harmful and extremist ideologies in the region," the British Defence Secretary the minister stated.
British military aircraft have conducted patrols over Syria to "prevent any attempted comeback" of the group following its routing at the Baghuz confrontation in 2019, the MoD reported.
"I want to thank all the members of British forces participating in this operation for their professionalism and their valour," the Defence Secretary added. "Including them were numerous British troops on duty over the holidays. This operation, to eliminate dangerous terrorists who endanger our safety, demonstrates how our armed forces are ready to step up, all year round, ensuring Britain's security at home and powerful internationally."
During December, the United States armed forces executed what it termed a "major assault" targeting IS targets in Syria, subsequent to an assault killed two American soldiers and a civilian linguist in the Palmyra area.
The United Nations says Islamic State still boasts between 5,000 and 7,000 combatants in Syria and Iraq.
