F-35 Joint Strike Fighter: DOD Needs to Update Modernization Schedule and Improve Data on Software Development, Report to Congressional Committees [open pdf - 4MB]
From the Highlights: "The F-35 Lightning II Joint Strike Fighter program remains DOD's most expensive weapon system program. DOD is 3 years into a development effort that is loosely based on Agile software development processes to modernize the F-35 aircraft's capabilities. With this approach, DOD intends to incrementally develop, test, and deliver small groups of new capabilities every 6 months. Congress included provisions in two statutes for GAO [United States Government Accountability Office] to review the F-35 program. This report addresses the F-35 operational testing status, DOD's Block 4 modernization development schedule, and how the F-35 program office implements key practices for evaluating Agile software development progress. To assess cost and schedule concerns identified in prior years, GAO selected three key practices that focus on evaluating Agile software development progress. GAO reviewed DOD and contractor documentation and interviewed DOD officials and contractor representatives. GAO is making three recommendations to DOD, including that it update its modernization schedule to reflect achievable time frames, identify and implement tools to enable automated data collection on software development performance, and set software quality performance targets. DOD agreed with GAO's recommendations."
Government Accountability Office: https://www.gao.gov/