Photo: SSgt. Joshua Horton/ANGAIRFRAMES SrA. Sawyer
Ezzell, a crew
chief, services
the liquid
oxygen system
of a Kentucky
ANG C-130 at
Aviano AB, Italy.
Liquid oxygen
is converted
to gas form to
provide fresh
air to aircrews
during high-
altitude flights.
The vapor is
from the cold
liquid oxygen
reacting to
contact with
the warm
ground air.10 JULY/AUGUST 2019 AIRFORCEMAG.COM JULY/AUGUST 2019 AIRFORCEMAG.COM 11