Final answer:
A Class D Army accident would require property damage amounting to at least $2,500 but less than $25,000, or a non-fatal injury that causes loss of time beyond the day or shift in which it happened but does not require hospitalization.
Step-by-step explanation:
According to military regulations, for an incident to qualify as a Class D accident, it would require property damage amounting to at least $2,500 but less than $25,000, or a non-fatal injury that causes loss of time beyond the day or shift in which it occurred but does not require hospitalization. Any accident that exceeds this threshold would be categorized as a Class C or higher, depending on the severity and costs associated with the damages or injuries.