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Figure 13-23.General profile appearance of submarines - 14244_281
MERCHANT SHIP IDENTIFICATION - 14244_283

Signalman 3 & 2 - Aviation theories and other practices
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Figure 13-24.—Sail placement Figure 13-25.—Bow profiles. group is composed of conversions and experimental prototypes that bridge the gap between the irregular shapes of World War II versions and the streamlined sails of the nuclear age. If the sail topline is broken and has an obvious step measuring one-fourth of the group sail height or more, it falls within groups 7 through 9 (fig. 13-23), depending on the position of the sail. TYPES OF SUBMARINES For the purpose of our discussion, we will categorize submarines into three distinct groups: attack, cruise missile, and ballistic. All three groups can be either conventionally powered (diesel/electric) or nuclear-powered. 13-18







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