When President Trump talks about efforts to deliver the coronavirus vaccine to millions of Americans eager to return to their normal lives, he often says he is “counting on the military” to get it done. Mr. Trump has given the impression that troops would be packing up vials, transporting them from factories to pharmacies and perhaps even administering shots. And, at times, military officers working on the sprawling interagency program to move those vaccine doses from drug companies into doctors’ offices have indicated the same thing. In reality, the role of the military has been less public and more pervasive than this characterization suggests. When companies have lacked the physical spaces needed to conduct their drug trials, the Defense Department has acquired trailers and permits to create pop-up medical sites in parking lots. When a required piece of plastic or […]