Final Answer:
Certification in the Department of Defense F&ES Certification Program is granted for a period of three years.
Step-by-step explanation:
The Department of Defense (DoD) Fire and Emergency Services (F&ES) Certification Program is designed to ensure that firefighters within the DoD meet established standards and competencies. Certification is granted for a specific period, and according to the available information, this period is three years. During these three years, certified firefighters are expected to maintain their skills and knowledge through continuing education and training.
Certification renewal is typically required to ensure that firefighters remain current with evolving practices and technologies in the field of fire and emergency services. This periodic recertification process helps uphold the high standards of proficiency and readiness required for military firefighting personnel within the Department of Defense.