British Air Force Typhoon FGR4s have conducted a mission with French aircraft in a combined operation on an hidden munitions depot in Syrian territory used by the Daesh militant organization, per a report from the UK Ministry of Defence.
The site, located using reconnaissance, was thought to be storing arms and explosives, the announcement noted, and was positioned in mountainous terrain just above the ancient city of Palmyra in Syria's central region.
"Our fighter planes used Paveway IV guided bombs to strike a number of approach shafts providing entry to the facility... preliminary assessments are that the target was engaged successfully," the MoD said.
There was no sign of any civilian casualties in the attack on Saturday evening and each participating jet returned safely, the ministry further stated.
The Typhoon FGR4s were assisted by a Voyager tanker plane.
IS - alternatively referred to as ISIS - imposed jihadist rule over large swathes of Syria and Iraq prior to its 2019 collapse.
"This operation underscores the UK's leading role, and determination to work closely with our allies, to eliminate any revival of IS and their harmful and extremist ideologies in the region," UK Defence Secretary the minister said.
British military aircraft have conducted overwatch operations over Syria to "deter any attempted resurgence" of IS subsequent to its defeat at the climactic battle in Baghuz in the year 2019, the MoD reported.
"I extend gratitude to every member of our armed forces who took part in this mission for their professionalism and their bravery," he added. "They were part of numerous British personnel stationed over the holidays. This operation, to eliminate militants who pose a risk to our security, highlights how UK forces are always on standby, all year round, ensuring Britain's security at home and powerful internationally."
In December, the US military executed what it called a "major assault" on IS targets in the country, after an ambush claimed the lives of two US servicemembers and a local interpreter in the Palmyra area.
The U.N. reports Islamic State still maintains roughly 5-7 thousand fighters in Syria and Iraq.