Training for the first group of Army lawyers begins Monday and training for the second group is expected to start in the spring, several former and current military reserve lawyers said they were told. Roughly 100 Army Reserve lawyers are expected to participate, with 50 beginning a nearly six-month assignment immediately after their training, according to a Sept. 3 email sent to an Army Reserve attorney and reviewed by The Associated Press.

The administration wants to bring in as many as 600 military-trained attorneys to help make decisions about which immigrants can stay in the country. Advocates are alarmed by the move to use military lawyers to bolster staffing in the backlogged immigration courts as President Donald Trump’s administration ramps up immigration arrests.