Completely redesigned from the ground up, the lightweight and rugged Fido® NXT delivers fast, accurate and consistent explosives detection capabilities for combat, physical security and anti-terrorism operations. The expanded detection capabilities and reduced size of the Fido NXT enables the system to be easily integrated into existing security measures. The Fido NXT features a simplified user interface with a GO/NO GO response suitable for novice users. Additional response information is available via the administrator mode for fully trained operators and system administrators. The system provides on-screen prompts for the majority of user actions to overcome issues related to intermittent usage and the associated loss of training knowledge enabling both novice operators and explosives experts to use the device with confidence.