Royal Air Force Typhoon fighter aircraft have operated alongside French aircraft in a coordinated attack targeting an subterranean weapons facility in Syrian territory employed by the IS group, according to the UK's MoD.
The facility, pinpointed through surveillance, was thought to be containing munitions and bombs, the statement said, and was positioned in hills just above the historic site of Palmyra in central Syria.
"Our fighter planes used precision-guided Paveway IV munitions to hit a number of access tunnels down to the facility... preliminary assessments suggest the objective was successfully hit," the MoD said.
There was no sign of any civilian impact in the attack conducted Saturday night and all the aircraft returned safely, the defence officials confirmed.
The Typhoon fighters were backed up by a Voyager aerial refuelling aircraft.
IS - alternatively referred to as the so-called Islamic State - enforced jihadist rule over significant areas in Iraq and Syria before its territorial defeat in 2019.
"This action underscores the UK's leading role, and resolve to stand shoulder to shoulder with allied nations, to stamp out any resurgence of IS and their harmful and extremist ideologies in the Middle East," Britain's Defence Chief the Defence Secretary stated.
RAF aircraft have performed overwatch operations over Syrian airspace to "deter any attempted resurgence" of the group subsequent to its routing at the Baghuz confrontation in the year 2019, the MoD reported.
"I want to thank the personnel of our armed forces involved in this strike for their professionalism and their bravery," he said. "They were among a great many UK service members on duty over the festive period. This action, to take out terrorist threats who pose a risk to our security, highlights 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 described as a "large-scale strike" targeting IS targets in Syria, after an attack resulted in the deaths of two American soldiers and a civilian interpreter in the Palmyra area.
The United Nations reports IS still maintains roughly 5-7 thousand militants in Syria and Iraq.