クエスチョンマーク号
1. Question Mark (aircraft)The Question Mark ("?") was a modified Atlantic-Fokker C-2A airplane flown by aviators of the United States Army Air Corps to experiment with aerial refueling in 1929. It was used to establish new world records in aviation for sustained flight (heavier-than-air), refueled flight, sustained flight (lighter-than-air), and distance. The records were established between January 1 and January 7.
Read “Question Mark (aircraft)” on English Wikipedia
Read “クエスチョンマーク号” on Japanese Wikipedia
Read “Question Mark (aircraft)” on DBpedia
Read “Question Mark (aircraft)” on English Wikipedia
Read “クエスチョンマーク号” on Japanese Wikipedia
Read “Question Mark (aircraft)” on DBpedia
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