Pathfinder aircraft in flight.
Pathfinder aircraft in flight. This aircraft was part of the Environmental Research Aircraft and Sensor Technology (ERAST) project; a joint NASA-industry initiative to develop and demonstrate aeronautical technologies that could lead to a family of remotely or autonomously operated unmanned aerial vehicles (UAVs) to carry out long-duration Earth science and environmental missions at high altitudes.› Read Project Description
November 19, 1996
NASA Photo / Carla Thomas