The following is the Office of the Director, Operational Test & Evaluation (DOT&E) 2020 annual report. It was released earelir this month.
From the report
Integrating Developmental and Operational Test & Evaluation
We are now 20 years into the 21st century but, in many ways, DoD acquisition functions appear to be stuck in the 20th century. Our processes are too slow. By the time many of our systems roll off the production line, the requirements against which they were designed are decades-old and...
https://news.usni.org/2021/01/21/pentagons-director-operational-test-evaluation-2020-annual-report