The threat is to merchant shipping, not to Navy ships, which have countermeasures upon countermeasures. The current SOTA in anti-ship technology are the Chines

The threat is to merchant shipping, not to Navy ships, which have countermeasures upon countermeasures. The current SOTA in anti-ship technology are the Chinese hypersonic missiles such as the DF-26, which are believed to pose a credible threat to aircraft carriers. Iran is also developing hypersonic missiles like the Khalij Fars, but the Houthis don't have these and they are substantially less capable than the Chinese ones. FTA: > Civilian vessels can adopt security measures to thwart attempted boardings, but they lack defences against anti-ship missiles. While Western military vessels have advanced air and missile-defence capabilities – using them to down Houthi missiles and UAVs – they are constrained by the number of interceptor missiles they can carry and the challenge of restocking depleted inventories.