330-PSA-37-61 (USN 1053086):  High Intensity Electronic Flash Developed by Naval Ordnance Laboratory.   NOL Engineering Aide, Benjamin J. Crapo (left), indicates the artificial transmission line of a high intensity electronic flash recently developed to light missile models undergoing re-entry airflow tests.  With his hand on the flash lamp is Lemmuel L. Hill, NOL physicist, who helped develop the flash.  Theodore Marshall, (not pictured), also aided in the project.  Photograph released February 15, 1961.  (9/15/15).
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