The following is the July 10, 2024, Defense Intelligence Agency report, Seized at Sea: Iranian Weapons Smuggled to the Houthis.
From the report
This product provides a visual comparison of Iranian weapons and weapon components interdicted in transit to the Houthis in Yemen on 11 and 28 January 2024. Photographs of missiles displayed by the Iranians—as well as debris acquired from previous Houthi attacks, compared with those of the interdicted materiel—strongly indicate their Iranian origin....
https://news.usni.org/2024/07/11/dia-report-on-iranian-weapons-smuggled-to-the-houthis