What GAO Found
As the Department of Defense (DOD) drives to deliver innovative capabilities faster to keep pace with evolving threats and emerging adversaries, knowledge—about programs’ cost, schedule, and technology—increases the likelihood that these capabilities will be achieved.
GAO annually assesses selected DOD weapon programs and their likely outcomes by analyzing: (1) the soundness of a program’s business case—which provides evidence that the warfighter’s needs are valid and the concept can be produced within existing resources—at program start, and (2) the knowledge a program attains at other key points in the acquisition process. For example, the Navy’s Ford-class aircraft carrier program began with a weak business case, including an unrealistic cost estimate based on unproven technologies, resulting in over $2 billion in cost growth and years of delays to date for the lead ship.
DOD’s new acquisition framework uses six different acquisition pathways and offers programs a chance to tailor acquisition approaches, providing options to speed up the process. However, preliminary findings from GAO’s 2021 annual assessment show that programs using the new middle-tier pathway face increasing risk that they will fall short of expected performance goals as a result of starting without sound business cases. While these programs are intended to be streamlined, business case information is critical for decision makers to know if a program is likely to meet its goals (see figure below).
Completion of Key Business Case Documents by Selected Middle-tier Acquisition Programs
The framework also introduces new considerations for program oversight and reporting. DOD has made some progress in developing its approach to oversight for programs using the new pathways, but questions remain about what metrics DOD will use for internal oversight and report to Congress for external oversight.
Why GAO Did This Study
DOD spends billions of dollars annually to acquire new major weapon systems, such as aircraft, ships, and satellites, and deliver them to the warfighter. GAO has reviewed individual weapon programs for many years and conducted its annual assessment of selected major DOD weapon programs for 19 years. GAO added DOD’s weapon system acquisition process to its High-Risk List in 1990.
This statement discusses: (1) the performance of selected DOD weapon programs and the role of a sound business case in that performance, (2) DOD’s progress implementing recent acquisition reforms, (3) the status of DOD’s actions to support innovation, and (4) DOD’s efforts to improve data for acquisition oversight. This statement is drawn primarily from GAO’s extensive body of work on DOD’s acquisition of weapon systems, science and technology, and acquisition reforms conducted from 2004–2021, and observations from an ongoing annual review of selected DOD weapon programs.
To perform this work, GAO reviewed DOD documentation, program information, and relevant legislation. GAO also interviewed DOD officials.
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