The conflicting goals of enhancing passenger security and improving the passenger travel experience have created challenging screening requirements and increased the difficulty of resolving alarms, reliably and quickly. The current implementation of standalone airport screening devices needs to progress and support the interoperability of those devices. This ability will allow for increased passenger safety, reduced cost, and scalability to support the growing number of air travelers. The vision of the interoperable airport requires aviation screening systems to communicate and work seamlessly with each other. Each stage in the screening process must be able to communicate, from one source to another, in a secure fashion. The first step in achieving this is to have a standard data format and communication interface between the screening devices. The standard format will facilitate the integration of screening devices, allowing for a logical, efficient, seamless, and interoperable screening workflow. An airport security interoperability data format and communications standard such as Digital Imaging and Communications in Security (DICOS) [1] standard is required to achieve this interoperable security screening workflow. The Transportation Security Administration (TSA) has sponsored open architecture frameworks that will implement several innovative technology solutions. Open standards and architectures will allow for novel technology solutions as new threats are identified, and existing threats evolve. The highlights of the DICOS standard, to meet the requirements of the open architecture, will be explored in this paper.
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