But the Commander has been on a hundred campaigns. That makes it sound like a large empire. How do you have a hundred campaigns all in your own solar system? Did they have to go on multiple campaigns for each planet in their solar system?
The neutral zone may just be on the "Earth" side of the Romulan star system. At an extreme orbit, it can take centuries for the watchtower asteroids to move around the central star (and they doubtless have thrusters to maintain their positions). The other side of the Romulan system may be open for the denizens to go out and campaign in, far from and in the opposite direction of Earth and her allies.Neutral Zone separates planets Romulus and Remus from the rest of the galaxy. No indication those planets are in same star system. Earth outposts on asteroids. Are they just floating in space? In orbit? Earth and allies fought against the Romulans (and allies?) Maybe Remus was an ally? Kinda like Austria to Germany?
Another secret revealed by deleted script details!This has nothing to do with the direct transmission of sound through space. In the various drafts of the scripts, starting with the first, it's made clear that Spock accidentally hits the transmit button for the console slot that holds the "tape cartridge" of the Romulan transmission received earlier. Watch the relevant scenes carefully.

It doesn't happen to explain why all the crew a
Speaking of which, is this first instance of those square things being referred to as tapes?
Thanks again - I did wonder if one event influenced the other!The first draft of this episode, which contains the scene of Kirk protecting Rand, was finished on 6/21/1966. The draft of the Writers Guide that indicates that the captain should not do this was written on 4/15/1967.
It's ultra, ultra super mega high definition. If the crew ever have a theatrical production on board, they'll probably use the same piece of equipmentNow, that is a huge Webcam Scotty set up.

Yeah that was a bit strange. Gave the whole ceremony a "teenagers elope to Gretna Green" kind of feelingWhat, no dress uniforms? Wedding without dress attire
What I did like though was the depiction of religion in the future. The bride clearly has some religious beliefs which the groom doesn't share (she alone pauses for a short prayer before the speaking begins). No one takes this as unusual - everyone's own personal beliefs are accepted for what they are.
If we assume that all those guys in the Phaser Control Rooms (and yes, there are more than one) then it must be charging and maintaining the machinery that generates the phaser energy, ensuring that the power packs don't overload and take the ship with it! The button that Spock pushed could have been the final "commit" command after Tomlinson died setting all the other safeguards in placeDamn, fix that phaser firing mechanism. It's just a push button. Give that button to Sulu. It'll save time. Instead the captain says fire, Sulu signals phaser control to fire, the officer there gives the command to fire, and another officer pushes a button to fire.