Ululation. Let me quote this: Among the Lakota, women yell lililili! in a high-pitched voice to praise warriors for acts of valor. See. Warriors. Jungle Warfare. Communication. Vital eh? Time-critical eh? Why? Niner? Why not just simply say Nine? No mis-hearing? Yep. Something like that. Every culture has it. Acoustics? Yep. Golconda Fort. Hyderabad. India. Same thing. Element? AIR? Radio Waves? Water? Fire? What's fire? A make-shift ad hoc air strip in the real rain forests of real bad guys eh? Selling drugs? Drug lord's lair? Phantom tribes -- they communicate with drums -- This is also a tribe -- they communicate with this -- Jungle Warfare -- Embedded in Arab Culture -- Get the Zippo! Yep. Bruce Willis. This is a sign Zippo is around. Where. There. Two shrill sounds. Our shirll? Yep. They can't mimic it. Got it. Two steps? Yep. Jungle. It's our jungle. Hunt the Cave Dweller. Okay. Bats. Guests. What's that? How do you communicate and navigate? This is me: Net-Esccape Navigator. CC. CopyCat. Copy Con Filename.Ext Bad command or filename.