https://www.defensenews.com/breaking...rowler-flight/
The fog inside the aircraft iced over the instrument panel, forcing the pilot and electronic warfare officer to use a Garmin watch to keep track of their heading and altitude while air controllers began relaying instructions to the crew. The pilot and EWO were forced to use the emergency oxygen supply, which was completely depleted by the end of the flight.
SLF here ---except for mt raineer and adams and baker - they could have descended to 11,000 feet on their route back to Whidbey- something doesn't seem to add up in the description re flight level and oprt emegency ox ??