Part 5 of a series reassessing the documentary record behind the 1933 Magenta narrative. TL;DR In September 1943, British commandos took Admiral Minisini, his wife and technical papers from an Italian torpedo installation. American records trace the McGregor Project through engineers, countermeasures, Navy transfers and the party’s return to Italy. The raid is a useful comparison case for captured-technology claims. It shows how secrecy, public storytelling and a surviving administrative reco...