I just made lvl 20 and I'm F2P. Totally up on promotions. Just made full commander. As for how I have four candidates? That I can't tell you. They were end of mission rewards and leveling up if I'm remembering right.
So to make sure we are on the same page. Cause it doesn't seem like we are. So on my stations list I have four slots available. But I currently have only three bridge officers. The one engineering station available is an ensign one. When I try to commission an officer from the four candidates I have it tells me that I have…