Laythe Odyssey- Feedback appreciated

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Hi everyone. I've made a video which will hopefully be the start of a series in which I attempt to manage a semi-realistic space program intending to colonize Laythe. I'm not very experienced with this type of video, I know my voice over is muddy and my speech isn't too clear, and if you have any other thoughts/ideas about it I'd be glad to hear them! Hope you enjoy.

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Here's the second episode, I've tried to clear up some of the issues I found with the first- better voice over, less rambling, more stuff going on, shorter runtime.

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Finally, here's the third episode. I need to work on the audio levels but this episode has more stuff going on, better commentary, and some music for the parts where I'm not speaking.