Hospital ships are also going to NYC and LA to add some capacity as well.
There also is the VA which offers medical services to veterans, both for injuries they get at war, but also other conditions. My Uncle Norman was a marine who served in Korea and he received excellent care for ALS in the last few years of his life from the VA.
They are doing what they can, but it's still a difficult problem because a person affected by the new virus doesn't just require a ventilator, but could require a ventilator for two weeks.