1/41: Factory rollout: this was the 4th production B-25. 25 Feb '41: TOS USAAC with s/n 40-2168 and assigned to HQ Sqdn/17th BG, McChord Field, WA. From 6/41: Assigned to several different units. 5/43: Test and Evaluation Unit, Wright Field, OH. 7/43: HQ Command, Bolling Field, DC; General Hap Arnold's staff transport. 7/45: War Assets Administration at McClellan for disposal. 4/47: Registered as NL75831 and served with several operators. 10/66: Registered N2825B and continued with several other operators. 17 Nov '89: Operated by the American Airpower Museum in East Farmingdale, NY.