As previously mentions seat spaces are determined on your RPing ability and well as some other factors, such as your activeness on this site and to some degree personality. However, how well your character fights might also be a factor.
Please post if you are interested in becoming a seated officer. I will PM you asking some basic information and such things, right now as it stands the seating arrangements are as follows:
Captain: Natsume Hyƫga -nicknamed Persona- (Me)
Lieutenant: Yuumi Miyuki (Taboo)
3rd Seat: Open
4th Seat: Open
5th Seat: Open
6th Seat: Open
7th Seat: Open
8th Seat: Open
9th Seat: Open
10th Seat; Open