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The well-known Boeing 747's wingspan exceeds the length of the Wright brothers' first flight. Although their first flight was very short, it's because of that short flight that we have created impressive planes like Boeing 747. Thank you Wright brothers for persevering through failed attempts and giving us such a significant contribution.
Contributed by Keri Potter
Space shuttle on the back of a transport jet. This is how the shuttles are transported across the country because they cannot fly like jets. The shuttles' engines are not built to establish level flight. Once the mission is complete, a shuttle falls out of orbit and back into the lower atmosphere. The shuttle uses no propulsion to land; it is simply a big glider.
Contributed by Ashleigh Linse