"The helmet is a multi-faceted tool that provides protection and life support as a baseline," said 1st Lt. Anton King, 75th Fighter Squadron pilot. "If we lose cockpit pressure at altitude ...

At that high an altitude, pilots must be equipped with a uniform ... over his legs before lifting the metal ring set to hold ...

They don't call it the Mile High ... to the helmets, Denver's uniforms read "5280" on the inside collar of their jerseys. As part of their home-field advantage, the Broncos show "altitude sickness ...