6 U.S. Code § 764. National exercise simulation center

The President shall establish a national exercise simulation center that—
(1) uses a mix of live, virtual, and constructive simulations to—
(A)
prepare elected officials, emergency managers, emergency response providers, and emergency support providers at all levels of government to operate cohesively;
(B)
provide a learning environment for the homeland security personnel of all Federal agencies;
(C)
assist in the development of operational procedures and exercises, particularly those based on catastrophic incidents; and
(D)
allow incident commanders to exercise decisionmaking in a simulated environment; and
(2)
uses modeling and simulation for training, exercises, and command and control functions at the operational level.