1. [1] Defense-Industrial Initiatives Group, Center for Strategic & International Studies. (May 17, 2011). Cost and Time Overruns for Major Defense Acquisition Programs.
2. [2] Risk Management Guide for DoD Acquisition. (1998). Defense Systems Management College Press. [Online]. Available: https://apps.dtic.mil/sti/pdfs/ADA344089.pdf
3. [3] Y. H. Kwak and B. M. Smith, "Managing risk in mega defense acquisition projects: Performance, policy, and opportunities," International Journal of Project Management, vol. 27, pp. 812-820, 2009.
4. [4] M. Schwartz, G. M. Nelson, and C. Coral, "Defense acquisitions: How and where DoD spends and reports its contracting dollars," CRS Report, Washington: Congressional Research Service, 2016.
5. [5] U. S. Department of Defense. (2006). Risk Management Guide for DoD Acquisition, 6th ed. [Online]. Available: https://www.dau.edu/tools/Lists/DAUTools/Attachments/140/RIO-Guide-January2017.pdf