A lot (in relation to earth) of this 68% is probably provided by ionizing radiation, so not very healthy for live as we know it.
I read somewhere that computer models predict a surface temperature of -40°C if there is no atmosphere. Only with atmosphere will there be liquid water (on average of...
I am not sure what Bauer thinks he will accomplish with this move. Do not get me wrong, I understand the motivation of the Middle African soldiers who want to give the US some beating, but whats in it for Bauer and the higher-ups? All I can see is a high risk of losing some expert sub-crews and...
In my opinion it is not very plausible for the US to show so much restraint. I accept the authors decision to do so for a more dramatic story, do not misunderstand me in this.
But in OTL, the US Military was very Pro-Nuke and the whole world quite ignorant about radiation during the 50-60ties...