The order reinstates a policy from Trump's first term that prohibited trans people from enlisting and barred those already in the military from transitioning.

The president’s orders involved various matters that would have significant consequences in the armed services.

Trump, on behalf of six active-duty trans service members and two prospective service members. The groups allege that the ban violates the equal protection clause of the Fifth Amendment. Trump issued an executive order late Monday night that reinstates a policy from his first term and rescinds an order by former President Joe Biden that allowed trans people to enlist and to receive health coverage for gender-affirming care.