The email Elon Musk directed to be sent to all federal employees is getting pushback from President Donald Trump's appointed agency heads, notably including the Department of Defense, which posted a statement on Musk's own social media platform instructing its employees to ignore the email for now.

The DoD instructed Pentagon employees to not consider Elon Musk email that requested federal workers to mention their activities over the past week in an email.

Twenty-one civil service employees have resigned from Elon Musk’s Department of Government Efficiency, saying they’re refusing to use their technical expertise to “dismantle critical public services.”

The resignations of engineers, data scientists and product managers are a setback for Musk's tech-driven federal workforce purge.