Required training includes chemical and physical properties of fire; combustible and explosive properties of volatile fluids and gases, and appropriate firefighting techniques; operation and maintenance of firefighting apparatus; use and maintenance of specialized powered and non-powered forcible entry tools and rescue equipment; extinguishing agents, their values and uses; firefighting techniques associated with explosives and nuclear weapons; hydraulics; structural and aircraft firefighting; rescue techniques and procedures; live fire drills; structural fire exercises, etc., and other subjects required to maintain a competent level of firefighting skills and knowledge. The Assistant Chief must demonstrate leadership, professionalism and organizational skills at a higher level than the APFF 1 and 2. In addition, when necessary, the Fire Prevention Officer will perform the duties of an Airport Firefighter 1 and 2 (APFF1 and APFF2); may act as the Airport Firefighter 3 (APFF3) or Training Officer during absences/periods of leave.