The Trump administration broadened its effort to terminate thousands of probationary workers on Thursday, instructing agencies on a call to move forward with the layoffs.

The Trump administration on Thursday moved swiftly to fire thousands of workers and directed agency heads to terminate most trial and probationary staff — a move that could affect as many as 200,000 employees,

Office of Personnel Management officials met with agency leaders and advised them to dismiss probationary employees, according to a person familiar with the matter. Hundreds of thousands of people could be affected,

The ruling affects the more than two million federal civilian workers who have been offered the deal. It’s a big win for the administration.

A federal judge on Wednesday allowed Donald Trump's administration to carry out its federal worker buyout program as the Republican president moves to overhaul and downsize the U.S. government, handing a setback to unions trying to stop the plan.

Special government employees, or SGEs, are typically hired on a temporary basis as experts or consultants or serve as members of federal advisory committees.