High Bridge Associates, Inc. (High Bridge) performed an Independent Review of the Department of Energy’s Aerospace April 13, 2015 LCCE Report TOR-2015-01848 Plutonium Disposition Study Options Independent Assessment. The purpose of this review was to provide an objective analysis of the approach/process used by Aerospace, and of the results contained in its Assessment of the April 2014 Plutonium Working Group (PWG) Report of Disposition Options for the MOX Option and Dilute and Dispose Option Life Cycle Cost Estimates (LCCE). High Bridge performed an additional independent Review of the August 13, 2015 DOE Red Team Final Report of Plutonium Disposition Options. This September 21, 2015 document is the independent review of the Red Team report. Links to the final report, executive summary (note that is does not address the Red Team response which was written beforehand) and response to the MOX Red Team are below.