Senior Airman Kenneth Lemanski adjusts the engine throttle and checks for loose wires. Air Force Senior Airman Kenneth Lemanski adjusts the engine throttle and checks for loose wires on a self-generating nitrogen cart prior to starting it at Aviano Air Base, Italy, on May 25, 2006. The nitrogen cart produces 95-percent-pure nitrogen and is used to service wheels and struts on aircraft. Lemanski is attached to the 31st Maintenance Squadron. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 232480-O-IXN74-891.jpg Photo Gallery