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 ...
LOS ANGELES - The simple act of wearing a mask amid the ongoing COVID-19 pandemic has become a politically charged topic in the U.S. and across social media. Despite the urgings of public health ...
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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