(Bloomberg) -- Iran’s dispatch of a warship to the Red Sea is its boldest move yet to challenge US forces in the key trade route, emboldening Houthi militants whose missiles have disrupted shipping over the past two months.Most Read from BloombergIran Sends Warship to Red Sea After US Sinks Houthi BoatsTokyo Runway Collision Leaves 5 Dead, Airbus Aircraft AblazeUS Pressured Netherlands to Block China-Bound Chip MachineryIndia’s Crude Oil Imports From Russia Plunge on Payment IssuesQuake Hits Nor