(A) shall be
(i) as realistic as practicable, based on current risk assessments, including credible threats, vulnerabilities, and consequences, and designed to stress the national preparedness system;
(ii) designed, as practicable, to simulate the partial or complete incapacitation of a State, local, or tribal government;
(iii) carried out, as appropriate, with a minimum degree of notice to involved parties regarding the timing and details of such exercises, consistent with safety considerations;
(iv) designed to provide for the systematic evaluation of readiness and enhance operational understanding of the incident command system and relevant mutual aid agreements;
(v) designed to address the unique requirements of populations with special needs, including the elderly; and
(vi) designed to promptly develop after-action reports and plans for quickly incorporating lessons learned into future operations; and
(B) shall include a selection of model exercises that State, local, and tribal governments can readily adapt for use and provide assistance to State, local, and tribal governments with the design, implementation, and evaluation of exercises (whether a model exercise program or an exercise designed locally) that
(i) conform to the requirements under subparagraph (A);
(ii) are consistent with any applicable State, local, or tribal strategy or plan; and
(iii) provide for systematic evaluation of readiness.