US Army soldiers in the field to keep the head cool air-conditioned this helmet is made.It is connected with the air refiner, allowing the user to find chemicals and virus protection.

The soldiers wear helmets on the field to enjoy the cold and pure air.US Army Chemical Center, 2013 started developing the next generation of this inhalear. Conventional inhalear devices are heavy and large.

On the contrary, the new design is much lighter. Less energy is needed to run it. And comfortable to use. Scientists are using new technology to succeed Army M -50 mask, the same tests.

Soldiers of the test is run multiple combat training. Army officials said, the latter is much more comfortable in the helmet. Researchers continue to study further changes for helmet.