An A-10 Thunderbolt II waits in a hangar for weather to clear at Osan Air Base, Republic of Korea, Oct. 20, 2018. The Armed Forces Health Surveillance Center advises people to recognize dangers to avoid injuries. Some of the most common cold-weather injuries are chilblains, frostbite, frostnip (otherwise known as a first-degree frostbite), dehydration and hypothermia.
