The annual costs of replacing the Army’s aviation fleet would decline during the 2020s, from about $4 billion in 2018 to about $1.5 billion in 2027, and then rise to a peak of about $4.7 billion in 2032 before drifting downward again.
CBO
2019-05-10
<a rel="nofollow" class="external free" href="https://www.cbo.gov/publication/55180">https://www.cbo.gov/publication/55180</a>