This report provides a brief overview of selected acquisition-related provisions found in the National Defense Authorization Acts (NDAAs) for FY2016 (P.L. 114-92), FY2017 (P.L. 114-328), and FY2018 (P.L. 115-91), including the following topics that were a focus of the legislation: Major Defense Acquisition Programs, the acquisition workforce, commercial items, Other Transaction Authority, and contract types. This report also discusses the breakup of the office of the Under Secretary of Defense for Acquisition, Technology, and Logistics, as well as the shift of authority from that office to the military departments.