Technician Durwood Dereng prepares to pull the external-power plug from an E17 drag-research model at NASA's Wallops Flight Facility on Sept. 8, 1950.
NASA
Technician Durwood Dereng prepares to pull the external-power plug from an E17 drag-research model at NASA’s Wallops Flight Facility on Sept. 8, 1950.Image Credit: NASA