Not impressed. Considering Dr. Robert Zubrin&#x27;s Mars Direct plan and later revised Mars Semi-Direct plan announced in the early 90s even with the space technologies back then. [1][2][3][4]<p>[1]: <a href="https:&#x2F;&#x2F;www.nasa.gov&#x2F;pdf&#x2F;376589main_04%20-%20Mars%20Direct%20Power%20Point-7-30-09.pdf" rel="nofollow">https:&#x2F;&#x2F;www.nasa.gov&#x2F;pdf&#x2F;376589main_04%20-%20Mars%20Direct%2...</a><p>[2]: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=L7ZDf5KZGAk" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=L7ZDf5KZGAk</a><p>[3]: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=tcTZvNLL0-w" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=tcTZvNLL0-w</a>