scorecardThis extreme winter survival course teaches service members how to stay alive in Arctic conditions
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This extreme winter survival course teaches service members how to stay alive in Arctic conditions

The Air Force's Cool School, which brings in more than 700 participants every year across all service branches, takes place outside Eielson Air Force Base, deep inside Alaska. Temperatures average about 30 degrees below zero.

This extreme winter survival course teaches service members how to stay alive in Arctic conditions

At the start of the course, all participants are given the emergency equipment they would have depending upon what plane they would be flying.

At the start of the course, all participants are given the emergency equipment they would have depending upon what plane they would be flying.

The emergency equipment usually works. But everything else in the Arctic will try to kill the participants. This includes subzero temperatures ...

The emergency equipment usually works. But everything else in the Arctic will try to kill the participants. This includes subzero temperatures ...

... and even dehydration. Despite the abundance of snow, it is extremely difficult to drink enough water under harsh Arctic conditions.

... and even dehydration. Despite the abundance of snow, it is extremely difficult to drink enough water under harsh Arctic conditions.

One of the first things students are taught is to harvest snow in parachutes, in order to melt it down for water.

One of the first things students are taught is to harvest snow in parachutes, in order to melt it down for water.

This supply of snow can then be moved into tin cans, in which the snow can be mixed until it melts enough to easily drink.

This supply of snow can then be moved into tin cans, in which the snow can be mixed until it melts enough to easily drink.

Warmth is just as important as water. Students are taught to find tender wood with which to build a fire.

Warmth is just as important as water. Students are taught to find tender wood with which to build a fire.

In Cool School, students are taught the ideal way to split wood into longer thin splints that will burn more easily and evenly.

In Cool School, students are taught the ideal way to split wood into longer thin splints that will burn more easily and evenly.

Servicemembers learn to create sparks with a metal match. Though somewhat antiquated, metal matches can be used indefinitely.

Servicemembers learn to create sparks with a metal match. Though somewhat antiquated, metal matches can be used indefinitely.

Once students create a fire, it can be used for signaling, heat, and food preparation.

Once students create a fire, it can be used for signaling, heat, and food preparation.

Students also learn more basic practical skills — they have to change socks in order to keep feet dry so as to avoid hypothermia.

Students also learn more basic practical skills — they have to change socks in order to keep feet dry so as to avoid hypothermia.

On the first night of school, students are taught to create open primitive shelters that provide little insulation from the elements.

On the first night of school, students are taught to create open primitive shelters that provide little insulation from the elements.

During the second day, instructors teach students to make more complex A-frame shelters out of wood and a parachute or tarp.

During the second day, instructors teach students to make more complex A-frame shelters out of wood and a parachute or tarp.

The A-frame is then covered with almost a foot of snow to provide insulation.

The A-frame is then covered with almost a foot of snow to provide insulation.

Another vital principal of survival students learn is how to create an effective signal fire by placing a flare inside a base of kindling and smoke-generating tree limbs.

Another vital principal of survival students learn is how to create an effective signal fire by placing a flare inside a base of kindling and smoke-generating tree limbs.

Next to the smoke signal, students create a giant letter 'V' to alert passing pilots that they are in need of rescue.

Next to the smoke signal, students create a giant letter

You can watch a recap of the Arctic Survival School below.

You can watch a recap of the Arctic Survival School below.

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