255-GRC-1960-C-54828 (NARA website download)

Uploaded as accompaniment to my posted photo (linked to below). Same nomenclature, timeframe & similar photo idenfitication numbering of both.

 

Project Horizon? ¯\_(ツ)_/¯

 

At/From:

 

catalog.archives.gov/id/354841995

 

Specifically:

 

s3.amazonaws.com/NARAprodstorage/lz/stillpix/255-grc/Batc...

Credit: National Archives and Records Administration (NARA)/National Archives Catalog website

 

Always wonderful:

 

share.google/FhnpcPmBLxPxWHAp9

 

Specifically:

 

blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoiRR3...

Credit: John Sisson/“Dreams of Space Books and Ephemera” blog

Done