What should personnel wear during sling load operations for safety?

During sling load operations, personnel must prioritize safety, which is best achieved through the use of proper personal protective equipment (PPE). Wearing helmets protects against head injuries, gloves safeguard hands from sharp objects or hazards while handling loads, and eye protection shields the eyes from debris and unpredictable movements of the load. This combination of PPE is crucial for ensuring the safety and preparedness of personnel working in potentially dangerous environments, such as those involved in sling load operations, where heavy and dynamic equipment is utilized.

Other options like wearing light clothing for comfort or costume uniforms for visibility do not provide the necessary protection against the specific risks encountered during these operations. While military boots may provide necessary foot protection and should certainly be worn, they don't encompass the full range of protective gear required. Thus, the answer emphasizing proper PPE stands out as the most comprehensive approach to safety.