Final answer:
During drills, it is essential to document the date, time, location, and participants to ensure effective review and accountability of the exercise.
Step-by-step explanation:
When documenting an offline entry during drills, there are specific details that need to be recorded to ensure the exercise is conducted effectively and provides useful information for review. As per the given options, the correct details to document include the date, time, location, and the participants involved in the drill. This documentation is crucial as it helps in the evaluation of the drill's effectiveness, and ensures that there is a record of who was involved for accountability and future training enhancements.