J. Longo was a Starfleet officer in the 23rd century

In 2285, they were a lieutenant commander at Starfleet Academy's Starfleet Training Command. They were an Engineering instructor. Their office, located on the second level of a building, was in room #210. Their rank, name, position, and office were listed on a directory placard. (Star Trek II: The Wrath of Khan, set artwork)

This character was only mentioned in writing.
This officer was named after property master Joe Longo. The placard mentioning this lieutenant commander was sold on It's A Wrap! sale and auction for US$31.99. [1]
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