UFO: Large Black Triangle sightingSize: Estimated size was 3-4 times larger than Southwest airlines jet.Altitude: Estimated 2,000 ft. to 3,000 ft. AGLDuration: 30 seconds.Direction: Vehicle was traveling East.Speed: 150 to 200 MPHDate: Feb. 04, 2009Time: 12:26 AMWeather: Clear skies, stars, and excellent unlimited visibility.Location: Missouri City Texas 77459 / Just South of Houston.Sighting: Viewed with Gen3 night vision scope.Description: It is important to note that the Vehicle had 5 large IR lights on the right side of the wings. 2 lights located near the front of the leading edge, and 3 additional IR lights along the far edge of the right wing. These light were not visible to the naked eye, they were IR like military and very visible through the scope. As the vehicle flew over head the back round star field was blocked from view as it passed over.Location: Latitude: N29 35.4897' / Longitude: W95 34.5314'Large black vehicle flew over headed East at through Hobby airport controlled air space without any typical visible marking or strobe light. Normal heavy Southwest airline air traffic was present at the time on final approach to Hobby airport. Sighting lasted about 30 seconds and was viewed with Gen 3 night vision scope. Vehicle speed estimated at 150+ MPH No typical aircraft marking light or anti collision strobe light. The 5 IR lights on the right side were visible through the scope only.