Cpl. David Dudley, Expeditionary Air Field, uses proper eye and ear protection during the 5th annual Combat Shooting Competition Oct. 28, hosted by Weapons Training Battalion aboard Marine Corps Base Quantico. Advanced hearing protection for specific environments allows servicemembers to protect themselves and safely do their jobs. - Cpl. David Dudley, Expeditionary Air Field, uses proper eye and ear protection during the 5th annual Combat Shooting Competition Oct. 28, hosted by Weapons Training Battalion aboard Marine Corps Base Quantico. Advanced hearing protection for specific environments allows servicemembers to protect themselves and safely do their jobs.