Watermanship Page: 12
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Figure 8. Use back stroke to carry equipment. It rests swimmer;
restores normal breathing. Inverted frog or scissors kick suffices to
make progress; pushing motion of arm from shoulder level toward
legs aids progress. All movements occur under water. Strong swim-
mers can negotiate short distances with equipment in this manner.
Waterproofing of gas mask is described in TM 3-205.
locate lifeboats on the water. Remove the helmet before
jumping. In jumping, the left hand pinches the nostrils
together and the right hand clutches the left shoulder
or vice versa. The arm across the chest protects the
face from impact with the water. The head is held
erect. The body is relaxed and straight and the legs
are together. (See fig. 9.) In training, jumping should
start from about 3 feet and gradually be increased to
25 feet (the average height of a vessel's deck from the
water). When the soldier has mastered jumping, he
should practice it from various heights while clothed.
11. UNDERWATER SWIMMING. In underwater swim-
ming, either the dog paddle or breast stroke is used,
the latter being better. The head is held high to see
ahead or to see the surface of the water. Underwater
swimming is used to escape oil, surface flame, or debris.
(See par. 41.)
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United States. War Department. Watermanship, book, April 25, 1944; Washington, D.C.. (digital.library.unt.edu/ark:/67531/metadc96650/m1/18/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.