It appears the U.S. has quietly stopped trying to make "stealth ships" and this might be the reason why? It appears they just are not stealthy at all!
A few photos a high tech HSV of the UAE supporting the Saudi-led coalition
against Iranian-puppet Huthis in Yemen, after it was hit by an Anti-ship missile
off the Red Sea port of Al-Mokha near the Bab al-Mandab strait.
This is the former USN HSV-2 Swift, sold to the UAE.