You may want to also look into using the mission editor to create your own training setups.
I learned how to manually target by making my own easy setups, and gradually making them more difficult. My first one was a ship dead in the water, 700 yards straight ahead of me. Simple as can be. Next, I made him move a few knots, then I moved him away further... I just kept on it until I felt comfortable manually targeting.
I'm still a noob myself, but setting up your own training missions helps you a lot because you can gradually work your way up to the difficult stuff at your own pace.
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