President Joe Biden‘s half-century of foreign policy experience was once considered a political strength, one of his 2020 campaign arguments against former President Donald Trump.

But four years later, and as the family and friends of the three Army reservists killed during an Iran-backed drone attack in Jordan near Syria grapple with their losses, Biden’s political strength could become a weakness before the 2024 election, and it is one Trump has already sought to leverage amid concerns the Israel–Hamas war will escalate into a wider conflict.