Systems Integration Engineer Kurt Papathakis inspects a propeller on a modified wing for the Hybrid-Electric Integrated Systems Testbed (HEIST) prior to mounting on a modified truck.
ED15-0081-075
Systems Integration Engineer Kurt Papathakis inspects a propeller on a modified wing for the Hybrid-Electric Integrated Systems Testbed (HEIST) prior to mounting on a modified truck.
March 23, 2015
NASA Photo / Tom Tschida