This is criminal incompetence. Unheard of not to be able to communicate with troops in the field. How is it possible? Logistics is military tactics 101:
Twenty-eight U.S. Army reservists answered the call of duty, left their families behind, and reported to an abandoned base on the eastern tip of the island.
Then they waited for orders.
It was one week before the soldiers heard from the outside world. That is how desperate, how disorganized, the situation in Puerto Rico has been. Try as he may to deflect blame for the response to Hurricane Maria, President Donald Trump is the commander-in-chief of these soldiers who were marooned while their countrymen needed all the help they could get.