32 C.F.R. § 636.35 Headphones and earphones.
Title 32 - National Defense
The wearing of headphones or earphones is prohibited while driving a U.S. Government vehicle, POV, motorcycle, or other self-propelled two-wheel, three-wheel, or four-wheel vehicle powered by a motorcycle type engine. This does not negate the requirement for wearing hearing protection when conditions or good judgment dictate use of such protection.
Title 32: National Defense
PART 636—MOTOR VEHICLE TRAFFIC SUPERVISION (SPECIFIC INSTALLATIONS)
Subpart A—Fort Stewart, Georgia
§ 636.35 Headphones and earphones.

