Post patch 1.0.1 there is a audible gong sound on Cu Chi, it is the only place I have heard it so far and I was not the only one to hear it. I think it is either an RPG or the M79 producing this noise, but I was always too far away to exactly determine what is causing it. A gong or warping noise followed by some crackling of the audio, but I'm still pretty sure its the echo of the m79 causing this.
Gong noise heard 3 times:
Someone else comments on hearing it (to prove I'm not insane) @ 01:14:
Gong noise heard 3 times:
Someone else comments on hearing it (to prove I'm not insane) @ 01:14:
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