those 9,000 plus u.s. troops and the two destroyers and the two mine sweepers and the amphibious ships full of marines and the guided missile cruiser and the aircraft carrier, they're there to protect the free flow of commerce and navigation. nothing having -- i don't know what you're talking about with the iran stuff -- i don't know. navigation and commerce. the defense department declined to speculate today on what would happen if during the course of assuring the free flow of navigation and commerce u.s. personnel ended up intercepting iranian weapons on board the iranian ships steaming for them. would u.s. personnel on board any of the nine u.s. warships would they board the iranian vessels if they thought they were iranian weapons on board and they wanted to stop the airplane began iranian weapons from getting to yemen. would u.s. troops board the ships? what if it starts a shooting war