What's the most common injury among returning soldiers? Damage to their hearing. In fact, according to the Defense Department, more than half of the troops returning from Iraq and Afghanistan have some sort of hearing damage.
Now the armed services have a new device to protect soldiers' eardrums, National Public Radio reports.
The new system is called TCAPS, which stands for Tactical Communication and Protective System. There are now about 20,000 of the devices in use.
Standard earplugs muffle loud noises, but they also deprive the wearer of the ability to hear important sounds at lower decibels -- like communications from fellow soldiers.
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