Aircraft
Army Validates Baseline GBSAA System for UAVs
A ground-based sense-and-avoid (GBSAA) operator monitors the radar system inside a ground control station during the Army’s demonstration in June. Two UAV operators are in the background. (Photo: U.S. Army)
A ground-based sense-and-avoid (GBSAA) operator monitors the radar system inside a ground control station during the Army’s demonstration in June. Two UAV operators are in the background. (Photo: U.S. Army)

The U.S. Army has validated the design and functionality of a second-phase ground-based sense and avoid (GBSAA) radar system that will support training flights of MQ-1C Gray Eagle UAVs in unrestricted airspace beginning in 2014.