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ganduvo t1_isympmb wrote

Reply to comment by GabeD416 in Fighter jets over south side by newpageone

They were making some weird chirping noise too. Thought it was car alarms at first but definitely coming from the jets.

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Swak_Error t1_it2baj7 wrote

It's the nozzles at the end of the engine adjusting as they change engine output to adjust speed

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