	Introduction

During its development, the U.S. Navy's Unmanned Carrier Launched Airborne Surveillance and Strike (UCLASS) aircraft and its predecessors have been proposed to fill a number of roles and operate in a variety of air defense environments. Prepared in response to a specific Congressional request, this report details the history of UCLASS requirements development through the program's evolution to its current stage.
During its development, the U.S. Navy's Unmanned Carrier Launched Airborne Surveillance and Strike (UCLASS) aircraft and its predecessors have been proposed to fill a number of roles and operate in a variety of air defense environments. Over time, those requirements have evolved to encompass a less demanding set of capabilities than first envisioned. This report details the history of UCLASS requirements development through the program's evolution to its current stage.