I am wondering what "Enable Training Script" (or something similar) is supposed to do? At first I thought it was supposed to be a tutorial, however, for all of the training missions the scripts give no relevant information or are extremely vague. For example, the Air to Ground radar training mission's script is "Learn to use the Air to Ground radar. See if you can lock onto the targets. I will pause the sim" or something similar. Not very helpful.

I am wondering if there is something missing or are the scripts purposefully supposed to be so brief? I thought it would be similar to LOMAC's in depth tutorials (even if they never worked properly).

That's because they are work in progress. I think the only mission where they are complete is the ramp start.