 In August Lahm earned his second FAI certificate, Dirigible No.2, and oversaw the Signal Corps acquisition of an airship from Thomas Scott Baldwin.On September 9, 1908, the Wright Brothers brought their 1908 Wright Flyer at Fort Myer for acceptance trials, and on its second flight Lahm accompanied Orville as a passenger, the first U.S. military officer to fly in a powered airplane, on a flight of six minutes and 24 seconds.