Business Systems Modernization: DOD Has Made Progress in Addressing Recommendations to Improve IT Management, but More Action is Needed, Report to Congressional Committees [open pdf - 6MB]
From the GAO [Government Accountability Office] Highlights: "DOD spends billions of dollars each year on systems to support its key business areas, such as personnel and logistics. For fiscal year 2020, DOD reported that its business system investments are expected to cost about $8.9 billion. GAO has made many recommendations to DOD aimed at strengthening defense business systems management. Further, U.S. Code Title 10, Section 2222 requires DOD to perform activities aimed at ensuring that these investments are managed efficiently and effectively."
Government Accountability Office: http://www.gao.gov/