Ansar Allah, also known as the Houthis, has targeted three Saudi ships and struck oil infrastructure inside Saudi Arabia since the Saudi airstrikes on Yemen's Sanaa airportSaudi Arabia is seeking to form a new multinational coalition to pre-empt any effort by Yemen’s Ansar Allah, also known as the Houthis, to shut down the Bab el-Mandeb Strait, Al-Monitor reported on Wednesday. Following Saudi airstrikes on Yemen’s Sanaa International Airport earlier this month, Ansar Allah has targeted oil infrastructure inside Saudi Arabia and has announced a maritime blockade on Saudi ports, attacking at least three tankers, a policy the group calls a “blockade for a blockade.” The US has also recently advanced arms sales to the Kingdom, signed a nuclear deal with Riyadh, and carried out major joint strikes with Saudi Arabia targeting Shia militias in Iraq. Similar efforts to counter Ansar Allah attacks on shipping have failed in the past, including President Biden’s 2024 formation of a multinational coalition, dubbed Operation Prosperity Garden. Ansar Allah also sustained a brutal seven-year war from 2015-2022, launched by a US-backed Saudi/UAE-led Gulf coalition.