For starters, the end of the month marks a year since Steve and I have been here. You were here until last week, and then you disappeared. Now you're back.
There are people called Grounders here, and they're the ones who survived on the ground after the nuclear holocaust. There are Skaikru who were the people who were in space at the time of the incident. They are mostly at work with one another, but we've recently worked out a trade deal.