Major Jesse Marcel, head intelligence officer at the Roswell Army Air Field, investigated and recovered some of the debris from the Roswell UFO site in 1947. (Image credit: Universal History Archive/ Universal Images Group via Getty Images) A long-hidden diary belonging to a U.S. intelligence officer has rekindled research into the Roswell Incident, the infamous UFO crash in Roswell, New Mexico, that took place more than 70 years ago. When a mysterious object slammed into the desert near the Roswell Army Air Field (RAAF) in July 1947, Maj...