HSAC provides advice to the President through the Assistant to the President for Homeland Security. The Council is advised by four Senior Advisory Committees for Homeland Security. The advisory committees include members from state and local government, academia, policy research organizations, the private sector, emergency services, law enforcement, and the public health community. The Council provides advice on: (1) The development, coordination and implementation of the national strategy to secure the US from terrorist threats or attacks. (2) Recommendations to improve coordination, cooperation, and communications among federal, state, and local officials. (3) The feasibility of implementing specific measures to detect, prepare for, prevent, protect against, respond to, and recover from terrorist threats or attacks. (4) The effectiveness of the implementation of specific strategies to detect, prepare for, prevent, protect against, respond to, and recover from terrorist threats or attacks. (JCS/DoD, Homeland Security (JP 3-26), 2005, p. II-17 & 18)