The U.S. Department of Defense announced (PDF) in 2018 that it was elevating the priority it placed on developing the capabilities necessary to deter Chinese and Russian aggression. That means that the Department needs new analytical frameworks to reassess what force development looks like during an era of peacetime military competition. In particular, analysts need techniques for estimating how much it costs each side to maintain a fixed military balance over time.

Force Planning in the New Era of Strategic Competition | RAND