The Defense Department is paying researchers to create a mobile platform that could quickly produce messenger-RNA vaccines, and it’ll fit in a 6-cubic-foot box. Messenger-RNA vaccines were the first developed in response to the pandemic, and the success of those vaccines is due in large part to the Defense Department’s funding of an mRNA vaccine platform that was intended to quickly respond to bioweapons. The Defense Department’s research arm, the Defense Advanced Research Projects Agency, gave a $41 million grant...