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I second to this [0]. This was basically European history course from times of Vikings till present day.

I usually don't like history lessons, but it's a rare gem, it really helps to understand Eastern Europe.

The Aircraft Systems Engineering lectures are great, I'm listening to them now.

It should be noted that the lecturer, Aaron Cohen, contradicts everything that has made SpaceX successful. From reusability, to innovation, to cost-cutting measures, to sticking with traditional contractors. But that is only testament to the challenges that faced SpaceX, it detracts nothing from Professor Cohen's brilliance. It's too bad that he never got to see how both cargo and manned spaceflight had progressed only a decade after his 2010 passing.

I was going to post MIT 16.885J Aircraft Systems Engineering, Fall 2005, really amazing, would be nice to have something like that for modern day systems