On December 13, 2025, a lone ISIS-linked gunman ambushed a joint U.S.-Syrian patrol near the historic city of Palmyra in central Syria, killing two U.S. Army soldiers and a civilian American interpreter while wounding three other U.S. service members. The attack occurred during what the Pentagon described as a “key leader engagement” in support of ongoing counter-ISIS operations, marking the first U.S. fatalities in Syria since the fall of Bashar al-Assad the previous year. President Donald Trump quickly condemned the incident on Truth Social, labeling it “an ISIS attack against the U.S., and Syria, in a very dangerous part of Syria,” and vowing “very serious retaliation,” noting that Syria’s interim President Ahmed al-Sharaa was “extremely angry and disturbed” by the assault.

The irony is stark: American forces were in the region precisely to combat the remnants of ISIS through training, advising, and joint operations aimed at eradicating terrorism and preventing the resurgence of groups that fuel endless conflict. This collaborative effort, bolstered by Syria’s recent joining of the U.S.-led anti-ISIS coalition and al-Sharaa’s White House visit, represents a deliberate push toward stability and countering radical extremism. Yet, in blatant disregard for the very purpose of this diplomatic and military engagement—dialogue and partnership to end the horror of terrorism—the attacker chose that moment to strike, undermining the mission to build peace in a volatile area still plagued by ISIS sleeper cells.

Terrorists, by their nature, do not adhere to rules, norms, or the clear global consensus that terrorism is unequivocally wrong—no matter how many operations, coalitions, or key leader meetings are held to reinforce that message. This ambush highlights the persistent challenge: despite years of efforts to defeat ISIS territorially and ongoing work to train local forces against it, determined extremists continue to disregard the international commitment to reject violence. One wonders how many more such incidents it will take before these actors finally comprehend that their ideology of terror has no place in a world striving to move beyond endless war.