The British military launched airstrikes with the United States targeting Yemen’s Houthi rebels. The strikes Tuesday night marked their first involvement with America’s new intense campaign targeting the Iranian-backed group.

Britain’s military launched airstrikes against Houthi targets in Yemen on Tuesday with US forces, its defense ministry said – the first public acknowledgment of a joint operation since the Trump administration escalated the US campaign against the militant group.

British warplanes have attacked Houthi targets in Yemen, joining ally the United States in its airstrikes targeting the Iran-backed militia.