RAF Typhoon fighter aircraft have conducted a mission with French warplanes in a combined operation on an hidden munitions depot in Syrian territory used by the IS group, per a report from the UK's MoD.
The facility, pinpointed through surveillance, was believed to be containing munitions and bombs, the statement said, and was located in hills just north of the historic site of Palmyra in the heart of Syria.
"The RAF jets employed laser-guided Paveway IV weapons to target a number of approach shafts providing entry to the facility... early reports are that the strike was effective," the ministry announced.
There was no indication of any harm to civilians in the operation on Saturday evening and every plane involved returned to base without incident, the defence officials confirmed.
The Typhoon fighters were backed up by a Voyager tanker plane.
Daesh - also known as ISIS - imposed jihadist rule over parts of Iraq and Syria prior to its 2019 collapse.
"This operation underscores our UK leadership, and determination to stand shoulder to shoulder with allied nations, to eradicate any resurgence of the terrorist group and their harmful and extremist ideologies in the area," Britain's Defence Chief the minister remarked.
UK warplanes have conducted surveillance missions over Syrian airspace to "deter any attempted comeback" of Islamic State following its routing at the Baghuz confrontation in 2019, the ministry said.
"I must thank every member of British forces involved in this operation for their expertise and their bravery," Healey added. "They were among numerous UK service members stationed over Christmas and New Year. This mission, to eliminate dangerous terrorists who threaten our security, shows how British military are ready to step up, throughout the year, protecting the UK within its borders and strong abroad."
In December, the US military conducted what it described as a "large-scale strike" on Daesh sites in Syria, following an attack claimed the lives of two US servicemembers and a civilian interpreter in the Palmyra area.
The U.N. estimates IS still boasts an estimated 5,000 to 7,000 combatants in both countries.