The Propulsion Systems Laboratory (PSL) as it appeared in 2008
Rusting primary cooler at Propulsion Systems Laboratory (PSL). The facility had been inactive for nearly 30 years. (12/15/2008)
Image Credit: NASA/QUENTIN SCHWINN
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https://www.nasa.gov/image-detail/grc-2008-c-04472/
Image CreditNASA/QUENTIN SCHWINN
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