What is a characteristic of the first operational period of a Type 5 incident?

A characteristic of the first operational period of a Type 5 incident being that the incident is often contained quickly is accurate because Type 5 incidents are typically the least complex and require only minimal management and resources. In these incidents, the response is often straightforward, allowing for a quick assessment and response. This swift containment is often possible due to the limited scale and the lower resources usually involved.

The operational period for such incidents is not designed to extend over long durations, which correlates with the nature of the incident being manageable in a short time frame. The goal is to stabilize the situation rapidly, reducing potential escalation, so the focus is on swift containment and resolution.

In contrast, involvement of multiple teams, the length of the operational period being several weeks, or activation of all Command and General Staff positions typically pertains to more complex incidents which require more resources and coordination, characteristic of higher-level incident types (such as Type 1 or Type 2). Thus, they do not apply to the situation described for a Type 5 incident.