The released record says carol Rosin was spokesperson for von Braun during the last years of his life. File: 255 413270 UFO's and Defense What Should we Prepare For. 255 413270 UFO's and Defense What Should we Prepare For combines an official, downloadable document, 12 extracted claims, 7 evidence records, and 6 timeline entries across 94 source pages, and file-level provenance that can be compared with related release records.