Totally depends on what it's protecting you from.I'm thinking if it was airtight it would kill the soldier inside...it's not an SCBA.
The effectiveness part is meaningless without saying what the threat and the time scale is. It could be 100%, it could be 0%. 80% is just something someone pulled out their butt to make a meme.
I wonder who told him to say that?
That's an old pic and quote. He may have been sentient enough to formulate that quote on his own back then.I wonder who told him to say that?
Given his history, he’s more likely to have plagiarized it.That's an old pic and quote. He may have been sentient enough to formulate that quote on his own back then.
and yet, reporters don't seem to point it out