
In the RQ-4 name, the “R” is the Department of Defense designation for Reconnaissance and “Q” means unmanned aircraft system. The “4” refers to the series of purpose-built remotely piloted aircraft systems.
In the RQ-4 name, the “R” is the Department of Defense designation for Reconnaissance and “Q” means unmanned aircraft system. The “4” refers to the series of purpose-built remotely piloted aircraft systems.