Newer technology is steatlh mines. Iranian R&D should invest on these and transfer them to Yemen like the other items mentioned in the thread. Deploying the mines can be made by dropping them from drones, unmanned water vehicles or similar.US Aircraft carriers fears the Houthi-Iranian backed underground 'Sea Mines' against US Navy In Red Sea.
Yemeni can destroy multiple US and Israeli Aircraft carriers without launching Cruise, Ballistic or Hypersonic missile against US.
View attachment 1034297View attachment 1034298
Sea Mine 2000 - Wikipedia
en.wikipedia.org