The RQ-4 Global Hawk is a high-altitude, long-endurance, remotely piloted aircraft with an integrated sensor suite that provides global all-weather, day or night intelligence, surveillance and reconnaissance (ISR) capability.
In the RQ-4 name, the “R” is the Department of defeпѕe designation for Reconnaissance and “Q” means unmanned
aircraft system. The “4” refers to the series of purpose-built remotely piloted aircraft systems.