The hood, the coloration, ya, the suit is clearly a aluminum fire resistance suit.

Wait, what? You misunderstood what I implied.

ya but those were only discontinued because the battalion that fired them could not get out of the way fast enough if they were down range

Look up Senator Joseph McCarthy and his exploits during the 1940-50s.

I am going to go out on a limb here and assume no one here truly knows what this department actually does. One of its various responsibilities is to manage and maintain the effectiveness of the U.S. Nuclear Arsenal. The other is to do R&D and provide information for U.S. nuclear policy.