Click to open image viewer. This is an example of the U.S. Navy, Gentex MBU-23/P oxygen mask. It is designed for use in tactical aircraft for both pressure breathing and non-pressure breathing ...
Wearing a face mask is one way to help prevent the spread of the COVID-19 virus, according to health care officials. However, they are sometimes uncomfortable and confining and have even become a ...
Yes, we know that flying is typically considered the safest way to travel. This doesn't change the fact that we're hurtling along tens of thousands of feet in the air, in a vehicle that still seems ...
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