Trump deploying an "Election Integrity Army" would only be to bolster his election fraud propaganda and intimidate voters during the midterms.
Obama has been living in Trump's head long enough to be president of the HOA there, and Trump literally can't even write his name down without desperately looking for confirmation that Biden can't do it better.
Members of Trump's administration fear that the president is shooting himself in the foot by constantly posting about victories that haven't happened.