Twenty-three states have aligned with the Trump administration's stance that he has authority to bring in the Guard, while 22 back the district's position.
The Army is establishing major sites to shelter equipment that could be used during war, humanitarian crises or natural disasters in the Pacific theater.
The Army exercised its prepositioned stock afloat for the first time in the Philippines this spring in a new process that will allow the service to ensure its stockpiles are optimally configured.