The Missile Defense Agency (MDA) is announcing the award of a indefinite-delivery/indefinite-quantity, cost-plus-fixed-fee contract to General Atomics Aeronautical, Poway, Calif., with a maximum value of $48,351,494. Under this contract, General Atomics will work with MDA to provide research and development to demonstrate precision three-dimensional tracking of ballistic missiles from a long endurance, high-altitude unmanned air system. This contract was competitively procured via a broad agency announcement with multiple white papers received in response. The work will be performed in Poway, Calif., from August 2011 through August 2016. Fiscal 2011 research, development, test and evaluation funds in the amount of $11,800,000 will be used to incrementally fund the first task order. Contract funds will not expire at the end of the current fiscal year.