Halberstadt CL.II

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Invention

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Science and technology

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What Wikipedia says

The Halberstadt CL.II was a German two-seat escort fighter/ground attack aircraft of World War I. It served in large numbers with the German Luftstreitkräfte (Imperial German Army Air Service) in 1917-18.

Excerpt from the Wikipedia article “Halberstadt CL.II”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Unknown author, Public domain, via Wikimedia Commons.