This report evaluates the operation of the PM-1 nuclear power plant during the period from 1 November 1962 to 31 March 1967. The data in this report were extracted from the PM-1 Monthly Summary Reports, work orders, plant daily logs, chemistry logs, supply requests, and malfunction reports supplied by the 731 Radar Squadron, Sundance Air Force Station, Wyoming, and the 10 Air Force Richards-Gebaur Air Force Base, Missouri. Plant administration, operations, process control, maintenance, and supply are analyzed and evaluated. Recommendations are made with the objective of cost reduction and improved plant availability. Supporting data for all recommendations are included in the text.