U.S. Marines fire the Carl Gustav rocket system during live-fire training in October 2017. With each firing, the shooter’s brain is exposed to pulses of high pressure air emanating from the explosion that travel faster than the speed of sound.

U.S. Marines fire the Carl Gustav rocket system during live-fire training in October 2017. With each firing, the shooter’s brain is exposed to pulses of high pressure air emanating from the explosion that travel faster than the speed of soun