Gulf Defender Page 7 X-ray inspection Staff Sgt StaceyHaga X-ray inspection Staff Sgt. Kelson Nisbett, 325th SFS patrolman and Vehicle and Cargo Inspection System II operator, monitors the radiation level of the VACIS II. The system x-rays the cargo of trucks en- tering the base, increasing force protection and anti-terrorism measures.Tyndall is the first CONUS Air Force installation to employ this type of advanced technology allowing them to dra- maticly increase the effectiveness of security forces and their role in installation security. June 9, 2006