Nathaniel Edenfield

This report presents the strengths and limitations of cost-effectiveness analysis and related metrics to inform the U.S. Army about whether, when, and how to usefully employ them for capability investment decisions. The authors discuss how complexity can increase as objectives become less clear cut, ancillary benefits and unintended consequences emerge, technologies become intertwined, boundaries change, and risk and uncertainty take hold.

This report describes the 2021 U.S. Air Force-sponsored Plan Blue game, which examined competition against Russia in the Arctic with a focus on the role of sensing in competition and featured robust participation from regional partners and allies. The purpose of the game was to increase understanding of the capabilities, postures, and alliance command, control, and communication relationships that may be called for in future Arctic operations.

Strategic competition between the United States and China colors how bilateral science and technology collaboration is interpreted in the United States. The objective of this report is to quantify and describe three types of scientific and technological flow between the U.S. and China to help assess the net effect of these types of flow on U.S. national security.

The purpose of this report is to assist Department of Defense decisionmakers called upon to respond to adverse economic shocks by identifying opportunities for improving analysis of shocks and their effects on U.S. defense postures. The authors examined historical and hypothetical instances in which shocks threatened or would threaten defense postures to identify the types of questions that an analytic capability might be able to answer.

Airpower played a pivotal role in the U.S.-led fight against the Islamic State from 2014 to 2019. This report sheds light on debates about the impact of air operations and how airpower was applied. The authors find that airpower was essential, but it alone would not have been likely to defeat the militant group. Instead, the combination of airpower and partner-led ground forces was needed to destroy the Islamic State as a territorial entity.

Passenger air travel is at an all-time high. A key question for Congress is whether current levels of spending will be sufficient under existing federal policies to enable commercial service airports to make appropriate and timely infrastructure investments to meet future demand. This report contains a comprehensive review of the role of the federal government in airport infrastructure funding and financing.