learned from using services contracts for periods longer than five years by commercial companies, foreign governments, and State governments, as well as service contracts for periods longer than five years used by the Federal Government, such as Energy Savings Performance Contracts. (2) Report Not later than one year after the date of the enactment of this Act, the Secretary of Defense shall submit to the congressional defense committees a report on the study conducted under paragraph (1). (c) Comptroller General report Not later than two years after the date of the enactment of this Act, the Comptroller General of the United States shall submit to the congressional defense committees a report on the pilot program carried out under this section. 820. Identification of commercial services Section 876 of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328