Missile Defense: Assessment of Testing Approach Needed as Delays and Changes Persist, Report to Congressional Committees [open pdf - 5MB]
From the GAO [Government Accountability Office] Highlights: "For over half a century, the Department of Defense (DOD) has funded efforts to defend the United States from ballistic missile attacks. From 2002 through 2018, MDA [Missile Defense Agency] has received about $152 billion to develop the BMDS [Ballistic Missile Defense System] and requested about $47 billion from fiscal year 2019 through fiscal year 2023. The BMDS consists of diverse and highly complex land-, sea-, and space-based systems and assets located across the globe. Congress included a provision in statute that GAO annually assess and report on MDA's progress. This, our 17th annual review, addresses for fiscal year 2019 (1) the progress MDA made in achieving delivery and testing goals; (2) the extent to which MDA's annual test plan is executable; and (3) broad challenges that could impact MDA's portfolio. GAO reviewed the planned fiscal year 2019 baselines, along with test plans since 2010, and other program documentation and assessed them against program and baseline reviews. GAO also interviewed officials from MDA and DOD agencies, including the office of the Director, Operational Test and Evaluation, Undersecretary of Defense for Research and Engineering, and the BMDS Operational Test Agency."
Government Accountability Office: https://www.gao.gov/