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I found the Introduction of Chapter 1 interesting. When you view this clip of the Phoenix Mars Mission and the Mission scope it makes you wonder about the mission failures that aren't publicly documented.

I thought this was good info to reflect on figure 1.1 on page 6 of chapter 1. I thought the Pellet gun safety warnings were sub standard when considering gun safety in general.

The NASA Thesaurus is a great tool for finding clarification of terms in reference to articles containing NASA rhetoric.