Security, and the heads of such other Federal departments or agencies as the Secretary considers appropriate, shall develop and regularly update a national aviation preparedness plan to ensure the aviation system is prepared to respond to epidemics and pandemics of infectious diseases. (b) Contents of plan A plan developed under subsection (a) shall, at a minimum— (1) provide airports and air carriers with an adaptable and scalable framework with which to align the individual plans of such airports and air carriers and provide appropriate guidance as to each individual plan