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Nic W asked in Politics & GovernmentMilitary · 1 decade ago

Question for Air Force about Military transport aircraft?

Today I was at an Air Force base and heard some very large window-less aircraft taking off. They were extremely loud (Louder than commercial aircraft), and had a very distinct buzzing/humming sound coming from the turbines. This sound was very unusual. What kind of aircraft is this?

Also, what causes this sound?

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