![Technicians making adjustments to Vacuum Facility 11 in the Electric Propulsion Research Building.](https://www.nasa.gov/wp-content/uploads/2023/07/c2001-00366-m-300x300-1.jpg)
Vacuum Facility 11 in the Electric Propulsion Research Building
Technicians making adjustments to Vacuum Facility 11 in the Electric Propulsion Research Building.
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Technicians making adjustments to Vacuum Facility 11 in the Electric Propulsion Research Building.