The US carried out airstrikes targeting two facilities linked to Iranian-backed militias in eastern Syria on Thursday, according to a statement from Defense Secretary Lloyd Austin, following a series of drone and rocket attacks against US forces in the region.

The statement said the facilities have been used by Iran’s Islamic Revolutionary Guard Corps (IRGC) and affiliated groups.

The strikes, carried out by a pair of F-16 fighter jets using precision-guided munitions, targeted a weapons and ammunition storage facility in Abu Kamal near the border between Syria and Iraq.