Black Light Inspection Air Force Staff Sgt. Efren Vaquera performs a florescent-penetrant inspection to check for cracks on an aircraft part at Hurlburt Field, Fla., July 19, 2019. SHARE: Download: Full Size (1.47 MB) Tags: Air Force Credit: Air Force Senior Airman Caleb Pavao VIRIN: 190719-F-IY571-0226Y.JPG Photo Gallery