I had an interesting thing happen last night. The situation is two medium size enemy surface groups approaching, and submarines. Blue side fired a number of rounds of ASROC at subs intermediate the two main group bodies. The Red fired SAM (SM-2s?) at the ASROCs but the ASROCs delivered their loads before SAM intercept and the SAM kept going to hit one of the Blue ships. All of that I think is very good behaviour. The ship hit (and surrounding ships in the group) appeared to make no defensive move against the incoming missiles, not even the usual point defense got x of 'em, although they did warn 'in coming missiles you should fire up the radar' type message. .

Has anyone else seen this and what do you think?

Update, this time I did get some debug point defense report. I think we actually got one

It's an interesting situation, it seems the sm-2s fired at an asroc that delivers it's torpedo before intercept (so the asroc is still active but now a torpedo) keep cruising and looking for a target but if they are targeting say a harpoon unit that is downed then the SAMs usually (if I remember correctly) turn to dust.

Thanks, not idea, first mention ever of that behaviour.

Partly because usually SAM have not the "Ship attack" flag , I will see with time.

Yes it is curious. I think some SAM seem to be not able to be aimed at a surface target but if it happens it can hit one. I have very occasionally seen it I think it is only in rare situation it can happen and probably was never intended to.
But in some ways it is good to my mind, eg you aim at a helo that is landing, if it lands before SAM hits (and therefore in HC it disappears) then the missile should probably still proceed to the landing point and impact? I think I've seen that happen.