The Captain and First Officer are both commanders of the ship, First Officer having control when the Captain is sleeping/writing up reports/when ordered to/etc. Their knowledge falls under the tactical portions of the skill system, having investment of knowledge in the different weapon types of the ship and ground forces, ship-to-ship combat, starfighter combat, and the such so they could give proper orders. Their orders don't neccessarily have to be followed, but it would be recommended, due to both chain of command reasons and they also gain a pm giving them variable quality insight into the situation (ex. future enemy movement, whether their shields will go down (enemy stats are normally hidden), etc). The ground force commander would also get this in regards to ground engagements, but it is of a bit lower quality than the First Officer, who themselves has a bit weaker than the Captain. Others can also get these insight moments, but those three get them regularly.
Should note in regards to your current projects, you can have them start out at being underway if you character had been in the process of researching those. Just keep them having the points remaining be over 70.
In other news, Tomasque has apparently decided to revoke his status of having a position reserved, which I had found out when I had asked about the progress of his character and which position he was making it for.
On another note, current distribution of people is 5 from Venus and its colonies, 4 from Mars and its colonies, and 2 from the Moon. Will be curious as to how this winds up shaping up in the future.