Some information on Giant Voice is hereGonna get interesting around KMTN Martin State in the next few days. NOTAM published today shows AIR NATIONAL GUARD RAMP, BASE-WIDE EXERCISE IN EFFECT. USE OF GIANT VOICE AND SMOKE FOR SIMULATION. From March 2 at 630AM L until March 5 at 6PM Local.
Anybody heard of "giant voice"? Is it just a P.A. system?
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