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High Altitude Sharp Shooter | National Geographic


we have a 1200 cubic foot altitude

we have a 1200 cubic foot altitude chamber we have the ability to

chamber we have the ability to

chamber we have the ability to manipulate the oxygen level in here to

manipulate the oxygen level in here to

manipulate the oxygen level in here to simulate high altitudes so what we’re

simulate high altitudes so what we’re

simulate high altitudes so what we’re gonna do is put you in there and adjust

gonna do is put you in there and adjust

gonna do is put you in there and adjust the oxygen levels to simulate altitude

the oxygen levels to simulate altitude

the oxygen levels to simulate altitude and have you perform some critical tests

and have you perform some critical tests

and have you perform some critical tests Jeff will wear a 60-pound vest

Jeff will wear a 60-pound vest

Jeff will wear a 60-pound vest simulating the same gear he’d be

simulating the same gear he’d be

simulating the same gear he’d be carrying a amount they’ll climb for five

carrying a amount they’ll climb for five

carrying a amount they’ll climb for five minutes while the science team measures

minutes while the science team measures

minutes while the science team measures his oxygen saturation and vital signs

his oxygen saturation and vital signs

his oxygen saturation and vital signs then we’ll reveal the enemy but there’s

then we’ll reveal the enemy but there’s

then we’ll reveal the enemy but there’s a catch one is armed and the other is

a catch one is armed and the other is

a catch one is armed and the other is not after intense high-altitude aerobic

not after intense high-altitude aerobic

not after intense high-altitude aerobic activity the Army Ranger will have to

activity the Army Ranger will have to

activity the Army Ranger will have to make a split-second decision and shoot

make a split-second decision and shoot

make a split-second decision and shoot the right guy they will be using

the right guy they will be using

the right guy they will be using non-lethal cartridges that leave a

non-lethal cartridges that leave a

non-lethal cartridges that leave a water-based coloring so they can see

water-based coloring so they can see

water-based coloring so they can see exactly where the bullets hit first the

exactly where the bullets hit first the

exactly where the bullets hit first the fight science team has to suck enough

fight science team has to suck enough

fight science team has to suck enough oxygen out of the chamber to simulate

oxygen out of the chamber to simulate

oxygen out of the chamber to simulate altitude at 15,000 feet the the concept

altitude at 15,000 feet the the concept

altitude at 15,000 feet the the concept of building an altitude enclosure around

of building an altitude enclosure around

of building an altitude enclosure around a climbing wall has been bounced around

a climbing wall has been bounced around

a climbing wall has been bounced around for a while and as far as I know this is

for a while and as far as I know this is

for a while and as far as I know this is the first time it’s ever been done the

the first time it’s ever been done the

the first time it’s ever been done the oxygen is extracted from the airtight

oxygen is extracted from the airtight

oxygen is extracted from the airtight chamber through these molecular air

chamber through these molecular air

chamber through these molecular air separators they suck the air out through

separators they suck the air out through

separators they suck the air out through a bank of hoses separate out the oxygen

a bank of hoses separate out the oxygen

a bank of hoses separate out the oxygen molecules and pump it back in to

molecules and pump it back in to

molecules and pump it back in to simulate high altitude along the way we

simulate high altitude along the way we

simulate high altitude along the way we were measuring pulse ox are basically

were measuring pulse ox are basically

were measuring pulse ox are basically how much oxygen is saturated in the

how much oxygen is saturated in the

how much oxygen is saturated in the blood now normally you’re at about 98%

blood now normally you’re at about 98%

blood now normally you’re at about 98% as the altitude increases the oxygen

as the altitude increases the oxygen

as the altitude increases the oxygen saturation in the blood decreases a

saturation in the blood decreases a

saturation in the blood decreases a reading of 95 percent or less could

reading of 95 percent or less could

reading of 95 percent or less could indicate hypoxia which means the body

indicate hypoxia which means the body

indicate hypoxia which means the body isn’t getting enough oxygen prolonged

isn’t getting enough oxygen prolonged

isn’t getting enough oxygen prolonged exposure to this environment could lead

exposure to this environment could lead

exposure to this environment could lead to dizziness muscle fatigue and heart

to dizziness muscle fatigue and heart

to dizziness muscle fatigue and heart failure with the chambers simulating

failure with the chambers simulating

failure with the chambers simulating 15,000 feet were ready for the first

15,000 feet were ready for the first

15,000 feet were ready for the first test

test

test all right Jeff are you ready three two

all right Jeff are you ready three two

all right Jeff are you ready three two one go

and he seems to be handling it pretty

and he seems to be handling it pretty well body functions all seem pretty

well body functions all seem pretty

well body functions all seem pretty normal just elevated due to the regular

normal just elevated due to the regular

normal just elevated due to the regular stress of exercise okay go inside weapon

hey hey good come on say Jeff’s blood

hey hey good come on say Jeff’s blood oxygen saturation dropped down to 89%

oxygen saturation dropped down to 89%

oxygen saturation dropped down to 89% this could indicate significant hypoxia

this could indicate significant hypoxia

this could indicate significant hypoxia in a normal human being but Jeff is

in a normal human being but Jeff is

in a normal human being but Jeff is accustomed to working in this

accustomed to working in this

accustomed to working in this environment and it has no effect on his

environment and it has no effect on his

environment and it has no effect on his precision

he hits the armed opponents enter body

he hits the armed opponents enter body mass

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