I've been in several anechoic chambers. The only thing that I heard was fucking tinnitus...
Turned down an opportunity to visit the worlds largest at Benefield, Edwards AFB for that very reason.
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@Render This. Best part is when the VA says "only the one ear is covered, as that's your firing side..."
I guess the 6 years doing demo and 10 years on the flightline didn't contribute a'tall. 🙄
Caveat: I do need to file for a review after the news broke a couple of years ago about the faulty ear plugs supplier.