English: Huffman Prairie sign posted by US Air Force and National Park Service. Wright Brothers used this field at Dayton, Ohio, USA for their flights.
{{Information |Description={{en|1=Huffman Prairie sign posted by US Air Force and National Park Service. Wright Brothers used this field at Dayton, Ohio, USA for their flights.}} {{ja|1=ハフマンプレーリーの米空軍と国立公園局の説明�