Does that make sense?
Yes it does. Sorry to make you repeat yourself.
In terms of other communication, I would like to build VoIP into the game, allowing players to chat with the bridge or just specific officers. I can do that if we get enough funding.
I don't think you should focus on this. There are enough applications out there capable of great voice communication, like Mumble, TeamSpeak, Ventrilo and the new Discord. If you could make it, it might prove to be a great feature, but I don't think it's something that's necessary for the game in it's first edition.
It also depends on what type of market are you targeting and what size of market share you want to hit. Rocket League (soccer with rocket-powered cars) is an indie game from 2015 that has voice communication ingame, and they got quite a lot more popular than they expected (expected 10k concurrent users, got 180k on launch), but not many people use that voice communication since you cannot talk only to your teammates.
Thanks again for this, your questions and suggestions really help in the design process.
Glad to help! I work as a DBA, so I know that a fresh set of eyes can give you a better view on the overall situation.