Fire prevention, fire suppression, and disaster relief including, but not limited to, flood, earthquake, pest infestation assistance measures, and search and rescue efforts shall be a major emphasis of the program. Certain corps centers designated by the director as fire centers in locations specifically needed to assure emergency capability and readiness for firefighting and natural disaster relief shall be administered and directed jointly by the director of the corps and the Director of Forestry and Fire Protection. The director of the corps shall be responsible for setting the policies under which these centers shall be operated and shall be responsible for the recruitment, orientation, job training, project planning, and educational and other services generally provided in the corps at its base centers. The Director of Forestry and Fire Protection, and his or her designee, shall be responsible for the supervision of corps members engaged in public service conservation work and for the training, supervision, and direction of corps members engaged in fire prevention, fire suppression, and other emergency activities.