The online advert, which was paid by the Trump Make America Great Again Committee, ran from September 8 to September 12, showed five soldiers walking below three fighter jets, alongside the tag line: "Support Our Troops.".
However, the jets in the image aren't used by the US Air Force.
The image of the jets and the soldiers are available for download royalty-free on the stock-image website Shutterstock, Politico reported.
In July, the Trump campaign also used an image from 2014 protests in Ukraine in a Facebook ad to depict "chaos & violence" in the US.
The Trump campaign spent freely in 2020 to date, blowing a $200 million lead in campaign funds that it had over Biden's team