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Much like when the hot air balloon was used in World War II I think it was used to lay out the land and to sort of keep them couped up. A disadvantage is that, is that they were kept to themselves a lot. It must of felt bad to be left behind the technology while the rest of the world is running to keep up. Although I don't think that you'll find that type of talk in a text book. You'd have to really look for someone who had some first hand experience or someone who had talked about it.

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13y ago

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