Template:POTW/2008-52

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Revision as of 10:21, 22 December 2008 by Gijs (talk | contribs) (New page: {| class="prettytable" style="background-color:#efefef; width: 100%;" | align="center" |300px |- | align="left" | The '''ZF US Navy free balloon''' was ...)
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ZF Navy free balloon.jpg
The ZF US Navy free balloon was used for initial lighter-than-air training during the 1920s to 1940s. It is fairly representative for a type of aircraft that first flew in 1783 and soon afterwards found a shape and construction that it retained (almost) to this day.
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