True or False: Crew members requiring corrective spectacles must use Air Force-provided spectacles during aircrew duties.

The statement is true because the Air Force mandates that crew members who need corrective spectacles use only those provided by the Air Force during their aircrew duties. This requirement ensures that all eyeglasses used are compliant with military specifications and standards, which can include aspects such as durability, specific lens types, and proper fit. Such measures are critical in aviation settings to maintain safety and operational readiness, as the glasses must withstand the unique stresses encountered during flight and provide the necessary vision correction needed for effective performance.

Other answers imply that there are exceptions or conditions for using non-Air Force-supplied spectacles, but these do not align with the established regulations that prioritize uniformity and safety in operational environments. By enforcing the use of Air Force-provided spectacles, the organization can also ensure that all aircrew members are utilizing eyewear that has been tested and approved for use in aviation operations.