Two person interview. Generally very respectful, the questions were fair, with a typical behavioral/traditional interview question setup. It lasted for about one hour and due to the type of work I was interviewing for I could not be told specifics about the job, which is understandable. They paid for my whole trip, which was very pleasant, and I thought it was a very generous offer for a relatively quick interview. Overall impressions are good, hopefully they will contact me soon. No offer received just yet.