I can't find it any more. It's probably lost in the Internet Archive somewhere. It was done by Will Eisner, who also did many of the long-running US Army series of preventive maintenance comic books.[1] Those are still being published, 66 years on.[2]

[1] https://en.wikipedia.org/wiki/PS,_The_Preventive_Maintenance... [2] https://www.logsa.army.mil/#/psmag