A successful rescue of a trapped firefighter depends on which of the following elements?

The successful rescue of a trapped firefighter requires a combination of all the essential elements: manpower, tools, and training, making the inclusion of "all of the above" the most comprehensive answer.

Manpower is crucial because a coordinated team is necessary to implement the rescue efficiently, ensuring that adequate personnel are available to manage the complexities of the situation and to provide various types of support during the rescue effort.

Tools also play a critical role; they are necessary for accessing the trapped individual, creating space, and facilitating a safe and effective retrieval. Having the right equipment ensures that firefighters can act swiftly and safely, minimizing additional risk.

Training is equally important, as it equips the team with the knowledge and skills required to carry out complex rescues effectively. It prepares personnel for unexpected challenges and enhances their ability to work together under pressure. Specialized training also ensures that rescuers are familiar with various techniques and equipment, improving their chances of success.

Combining these elements creates a robust framework for carrying out successful rescue operations, underscoring why "all of the above" is the appropriate answer. Such integrative approaches enhance situational adaptability and effectiveness in emergency responses.