I saw a post-screening Q&A with Duncan Jones and co-creators a few years back and he mentioned that when they were prepping to make Moon, it was around the time

I saw a post-screening Q&A with Duncan Jones and co-creators a few years back and he mentioned that when they were prepping to make Moon, it was around the time of the Hollywood writer's strike, so there were lots of productions on hold, which had the happy side-effect of meaning there were some awesome old-school FX people available to work on Moon.