Cryogenics give pilots breath of fresh air
Airman 1st Class Aaron Debolt, 31st Logistics Readiness Squadron fuels facility operator, fills a liquid nitrogen cart, Aug. 10, 2016, at Aviano Air Base, Italy. Cryogenics Airmen must wear special equipment to protect themselves from the liquid oxygen and nitrogen’s dangerously low temperatures of minus 297 and minus 320 degrees Fahrenheit respectively. (U.S. Air Force photo by Senior Airman Areca T. Bell/Released)