| 11. | A single trench system was relied on for defence.
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| 12. | A spur on their left, leading to Suvla Bay, was defended by a Turkish trench system.
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| 13. | The trench system ran from Waterston to Llangwm.
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| 14. | The 30th Division on 11 July 1918 assumed full responsibility for the East Poperinghe trench system.
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| 15. | The crest of the spur was captured, although not the trench system on the far side.
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| 16. | The first was photographic reconnaissance : building up a complete mosaic map of the enemy trench system.
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| 17. | It is now one of the only World War One era trench systems remaining in the world.
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| 18. | Initially, British trench maps showed the German trench systems in detail, but only the British Front line.
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| 19. | In the end the 5th Squadron managed to destroy the insurgent trench system established in the area.
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| 20. | The fortifications were built to withstand artillery fire and air bombardments, but the trench system was incomplete.
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