What does CDI stand for in this context?

In the context of the question, CDI stands for Collateral Duty Inspector. This designation refers to personnel who are appointed to oversee inspection processes as part of their collateral duties, meaning these responsibilities are in addition to their primary job functions. The role of a Collateral Duty Inspector typically involves ensuring compliance with maintenance and safety standards, conducting inspections of equipment, and maintaining quality control within various operations. This reflects an important layer of oversight in environments where precision and adherence to protocols are critical, particularly in military or technical settings.