[daniel1212]

Thanks for the responses.

But before a ship is targeted, it has too be seen, over the horizon, by an enemy platform emitting radar.

But soon they could they not have a satellite network, or over the horizon radar?

The ship’s radar, jamming, electronics, chaff are way bigger, more sophisticated than carried on a missile.

But maybe they would use an EMP device?

[ErnstStavroBlofeld]

China has deployed an Over-the-Horizon Backscatter Radar [OTH-B] to provide surveillance of the South China Sea. The precise location of this facility remains unclear. China began development of HF ground wave OTH sensors in November 1967.

http://nipp.org/National%20Institute%20Press/Current%20Publications/PDF/EMP%20Paper%20Final%20November07.pdf

[Leisler]

I believe that most mil electronics are shielded. Further, there is not/little example of emps working in the field. So, it would be a huge risk.