The Air War Against the Islamic State: The Role of Airpower in Operation Inherent Resolve

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.