Airman Nicholas Wengerd trouble shoots a strobe approach light. U.S. Air Force Airman Nicholas Wengerd trouble shoots a strobe approach light on the runway at Balad Air Base, Iraq, Feb. 28, 2008. Wengerd is an electrician with 332nd Expeditionary Civil Engineer Squadron. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 386114-L-RYS80-313.jpg Photo Gallery