Source Big Gemini (Wikipedia)
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Source Delta III (Wikipedia)
Source Douglas A-4 Skyhawk (Wikipedia)
Source High Alpha Research Vehicle (Wikipedia)
Source McDonnell Douglas A-12 Avenger II (Wikipedia)
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Source McDonnell Douglas AV-8B Harrier II (Wikipedia)
Source McDonnell Douglas Barbarian (Wikipedia)
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Source McDonnell Douglas CF-18 Hornet (Wikipedia)
Source Wikipedia: McDonnell Douglas DC-10
Source McDonnell Douglas DC-10 Twin (Wikipedia)
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Source McDonnell Douglas DC-X-200 (Wikipedia)
Source McDonnell Douglas F/A-18 Hornet (Wikipedia)
Source McDonnell Douglas F-15 Eagle, Wikipedia
Source McDonnell Douglas F-15 STOL/MTD (Wikipedia)
Source McDonnell Douglas F-15E Strike Eagle (Wikipedia)
Source McDonnell Douglas (Wikipedia)
Source McDonnell Douglas High Speed Civil Transport (Wikipedia)
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Source McDonnell Douglas MD 500 Defender (Wikipedia)
Source Wikipedia: McDonnell Douglas DC-10
Source McDonnell Douglas MD-11 (Wikipedia)
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Source MD Helicopters MD 500 (Wikipedia)
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Source MD Helicopters MD Explorer (Wikipedia)
Source GlobalSecurity.org: OH-6A Cayuse, AH-6J Little Bird, Defender 500 specifications
Source Payload Assist Module (Wikipedia)
Source McDonnell Douglas (Wikipedia)
Source McDonnell Douglas (Wikipedia)
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Source Skylab B (Wikipedia)