Jeff Van Drew switched from the Democrat Party to the Republican Party in December of 2019, pledging 'undying support' to President Trump.
The union endorsed President Trump's re-election campaign earlier this month.
Johnson was freed from prison on parole after Kim Kardashian-West worked with the Trump Administration to release her.
"My fellow Americans, tonight with a heart full of gratitude and boundless optimism, I profoundly accept this nomination for President of the United States."