Donald Trump's unprecedented overhaul of the diplomatic corps will undermine U.S. ability to defend and promote its interests abroad, critics say.

State Department to release letter to all employees Thursday evening informing them that it's officially moving to implement “targeted reduction in domestic workforce.”

The State Department is firing more than 1,300 people on Friday as part of a dramatic overhaul of the agency, according to an internal notice seen by CNN.

Secretary of State Marco Rubio insists he is streamlining a bloated department, but critics warn the cost to America’s standing and influence could be high.

The State Department has formally advised staffers that it will be sending layoff notices to some of them soon.

The department is sending layoff notices to 1,107 civil servants and 246 foreign service officers with domestic assignments in the United States, said a senior State Department official.

The State Department will lay off more than 1,300 people as part of a broad restructuring plan, Reuters is reporting. The layoffs will affect 1,107 civil servants and 246 foreign service officers, according to Reuters, which said it has seen an internal notice. The Associated Press is reporting the same number.

The epicenter of the crisis is Texas, particularly Gaines County, where 414 of the state’s 753 cases have been reported