This is f****** BS.
I never complete Grade 7 space mission more than twice a day and now I am not even being rewarded for it properly and the only space missions I ever do is the grade 7 ones. Space missions should give the full 12k reward and then start to diminish by about 2k after each completion with a minimum of about 3-4k. wt*?
That would make much more sense and it would stop credit sellers at the same time. But unfortunately it seems like Bioware doesn't like to take the middle road. They go hard with the nerfs