Marine Combat Water Survival (U.S. Marine Corps) на английском языке

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MCRP 3-02C

1-20

Floating With Inflated Trousers

In warm water, trousers can be used as a primary expedient flota-

tion device. However, in cold water, submerging your head to

remove and inflate your trousers results in heat and energy losses

that negate the benefit of using the trousers as a flotation device.

Once your trousers are inflated, you float motionlessly as if wear-

ing a life preserver. If needed, assume the heat escape lessening

posture (known as the HELP position, see page 1-37) to slow

heat loss. As trousers dry, air leaks out of the legs. To slow this

process, occasionally splash water on the fabric. Reinflate trou-

sers as needed.

Sling Method

The sling method works if you are a strong swimmer or naturally

very buoyant. Take the following steps to inflate trousers using

the sling method:

Take a deep breath,

bend over, and remove

your boots.

NOTE: Retain your boots.

Tie the boot laces to-

gether and suspend the

boots from your blouse

or hang them around

your neck so that they

rest on your chest.

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Remove your trousers. But-

ton or zip the trouser’s fly

closed. This allows you to

control airflow.

Tie the bottoms of the

trouser legs in a square

knot. (The appendix illus-

trates various knots.)

Ensure that the front (fly)

of the trousers faces you.

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Hold the trousers above the water’s surface and behind

your head. Grasp both sides of the waistband and open with

both hands.

Kick strongly to stay on top of the water while slinging the

trousers overhead in order to trap air into them.

Once the waistband is submerged in the water, air is trapped

in the legs.

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Hold and seal the waistband underwater.

Slip the inflated legs over your head. Hold the waistband in

toward your chest, the fly facing your body. To prevent air

from escaping from the trousers, seal the waistband by either

folding it or twisting it.

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Lie back and relax, resting

the back of your neck

against the knot.

Splash water on the

trousers periodically

to prevent the material

from drying. Dry

material allows air

to escape.

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To replenish air in the trousers, you will use a technique known as

the scooping method. With one hand on the open waistband, extend

the trousers in front of you just below the surface of the water and

scoop air bubbles with your free hand into the open waistband until

the trousers have sufficient air. Repeat as necessary.

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Splash Method

The splash method is an alternative to the sling method. As with

the sling method, you must kick strongly to remain at the surface.

To inflate trousers using the splash method, perform the following:

Take a deep breath, bend over, and remove your boots.

NOTE: Retain your boots. Tie the boot laces

together and suspend the boots from your blouse

or hang them around your neck so that they rest

on your chest.

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Remove your trousers. Button or zip the trouser fly closed.

This allows you to control airflow.

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Tie the bottoms of the trouser legs in a square knot. (The

appendix illustrates various knots.)

Ensure that the front (fly) of the trousers faces you.

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Hold the trousers at the water’s surface out in front of you by

the waistband with the fly up.

Grasp the waistband at the surface with one hand. Insert your

free hand into the waistband, palm down.