“Before 9/11,” says Paretti, “this room was full, because we had all the bodies here.” Where are they now? He points to a large-screen TV. It shows video feeds from three command centers. One is where we’re standing. The others are — well, somewhere. DTCC now runs several remote command centers, all of them in secret locations, some more than 1,000 miles away, and each fully staffed and capable of running the whole settlement system. Any center can independently take control if others cease to respond.