Which of the following activities is not conducted at training center drill towers?

The correct answer is live fire training, as this activity is typically not conducted at training center drill towers due to safety concerns and the structural limitations of such facilities. Training towers are specifically designed for various practice drills, particularly those that do not involve active fires, which can pose serious risks in confined structures.

Search and rescue drills, hose handling training, and vehicle extrication drills are all essential components of firefighter training that are suitable for execution in drill towers. These activities focus on improving skills related to navigating confined spaces, managing hoses effectively, and performing extrication techniques, all of which can be practiced safely without live flames. By understanding these distinctions, it becomes clear that live fire training requires a different environment that is equipped to safely manage and control fire conditions.