The black circle inside the helmet on the right contains some of the new elements of a noise reduction headphone that is part of an Active Noise Reduction system.
AFRC2018-0099-02
The black circle inside the helmet on the right contains some of the new elements of a noise reduction headphone that is part of an Active Noise Reduction system. It helps pilots hear better and improve communication during flight research missions…Learn more
May 15, 2018
NASA Photo / Ken Ulbrich