| 11. | He constructed the field fortifications of Anklam and Stralsund.
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| 12. | In mid-1940, the preparations relied heavily upon field fortifications.
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| 13. | They were also used against field fortifications, for clearing minefields and for breaching barbed wire.
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| 14. | The vast majority of the Mannerheim Line was merely composed of trenches and other field fortifications.
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| 15. | Poles attempted to regroup at the heavily fortified line of German World War I field fortifications.
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| 16. | Instead field fortification rose to dominate defensive action.
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| 17. | Both places were surrounded by field fortifications and Gallabat was held by a colonial infantry battalion.
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| 18. | The gun was intended for destruction of light field fortifications and openly placed personnel by direct fire.
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| 19. | A semicircle of field fortifications was created.
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| 20. | Construction works continued throughout the war building bunkers, field fortifications, barbed wire fences and air defense sites.
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