Also, aren't the 20mmm guns supposed to be mounted flush with the deck edge?
If so then I'd remove the railing in front of it.
Probably so. I'm not sure I am going to keep the 20's though, I'm actually kinda leaning towards swapping them out for the 30mm/75 GCM, once I can find a decent 'clean' drawing of them anyhow.
...instead of carrying the second director all the way over there on the mast I'd put it on the roof of the missile magazine.
I was thinking having one up higher might give it a better sight line, and not interfere with the other one already above and forward of the reloads