By Tobias Carroll What do you think of when you imagine military intelligence organizations? Espionage, clearly — the kind of missions that take place in great secrecy with shadowy figures rushing to carry out desperate missions. The history of MI9 only spans six years total, but the impact it made on World War II and subsequent history can’t be understated. And a recent article by Stephanie Graves at CrimeReads explores a particular facet of MI9’s work: encouraging prison breaks. As Graves points out, the head of MI9 — one Norman Crockatt — drew inspiration from some World War I-era technique…