Yep, you missed something. I don't really want to spoil anything so that's all I'll say about that. :)
They did send just one agent, there was already a facility on the planet with people working.
But I get what you mean, it makes less sense the more I think about it.
Like why were there no guards? Or maybe there was and they're dead?
I mean, I could leave these things up to the imagination aswell. It's also a game, everything doesn't have to make sense.
I'm not really great with making up a story but I needed the game to have something other than just dropping the player in some random place.
Also, about the ship part, it was going to be a crashed ship on the planet before I even made the facility but I decided to make it a facility instead.
Thanks for the feedback once again. :)