The Osprey: Half-airplane, half-helicopter, totally badass
Chinook | Royal Air Force
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Boeing CH-47 Chinook – Wikipedie
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Boeing CH-47 Chinook - Wikipedia
Boeing CH-47 Chinook - Wikipedia
HeliHub.com : Boeing awarded US Army contract for 14 more CH-47F Chinooks - HeliHub.com
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There is a small fan on helicopters' tail. What is it called? What is the purpose of that fan as it already has one big fan? - Quora
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Indian Air Force inducts first unit of Chinook helicopters in Chandigarh - YouTube