This is not at all above board. Budgets and Departments are squarely in Congress’ jurisdiction, and it’s Congress’ job to step in and impeach him for overstepping his authority. Unfortunately, the fascists took over Congress as well and they’re cheering it on.
Probably one of the many things that will be his downfall if he stays this course. Telling the military to fight people who have been very close allies for so long will not go over well.