text: I could not find any information indicating that Sean M. Kirkpatrick works specifically on UFOs or extraterrestrial phenomena. As an aerospace engineer, his work at NASA likely focuses on spacecraft and related technologies for space exploration and scientific missions. While NASA is involved in the search for extraterrestrial life and has a history of studying UFO sightings, it is not their primary focus, and there is no indication that Kirkpatrick's work is directly related to this area.