Astrophysics investigates the value of non-intrusive inspection technologies.
The security environment at international borders and commercial ports is in a state of constant flux.
Threat vectors shift in response to geopolitical developments, economic pressures and public health crises.
These dynamics directly influence the methods and priorities of illicit actors engaged in smuggling, trafficking and other transnational criminal activities.
A salient example emerged during the COVID-19 pandemic.
As global mobility was curtailed by travel restrictions and quarantine mandates, traffickers adapted by shifting from narcotics like heroin to more potent alternatives such as fentanyl.
The latter’s high potency-to-volume ratio made it particularly well-suited for clandestine transport under heightened scrutiny and reduced travel frequency.
This shift underscores the agility of illicit networks and the necessity for equally adaptive security infrastructure.
Contrary to popular perception, the majority of contraband does not enter through remote or clandestine routes.
Instead, it is typically smuggled through official ports of entry, often by legal residents or citizens.
US Customs and Border Protection (CBP) data indicates that over 80% of intercepted illicit goods are transported by US citizens.
This trend reflects a strategic preference for concealment within legitimate traffic flows, where scrutiny is comparatively lower.
Volume presents another formidable challenge. In fiscal year 2012 alone, CBP conducted over 7.6 million inspections using non-intrusive inspection (NII) systems.
This equates to more than 14 inspections per second, a figure that has only grown in the post-pandemic era.
The resurgence of international trade and travel has placed additional strain on inspection infrastructure, necessitating scalable and efficient solutions.
To meet these demands, modern border and port security operations increasingly rely on integrated technological ecosystems.
These systems are designed to enhance detection capabilities while maintaining or improving throughput.
Non-intrusive inspection technologies, particularly X-ray scanners, have become indispensable in this context.
The principal advantage of NII systems lies in their ability to screen cargo and vehicles without physical searches.
This capability significantly reduces inspection times – from several minutes or hours to mere seconds – thereby improving operational efficiency and reducing labor requirements.
The result is a force-multiplying effect that enables agencies to process higher volumes without compromising security.
Despite these advancements, full-scale implementation of 100% inspection remains aspirational in many jurisdictions. Nonetheless, it is increasingly regarded as a strategic imperative.
The World Customs Organization (WCO) has codified the importance of NII technologies within its SAFE Framework, encouraging member states to adopt them as part of comprehensive risk management strategies.
As a result, many customs authorities have begun integrating NII systems into their standard operating procedures.
Astrophysics’ HXC LaneScan™ system has redefined throughput and image resolution standards for passenger vehicle screening.
Concurrently, the HXP FreightScan™ system has achieved unprecedented steel penetration capabilities – up to 350 mm – through the use of a 6 MeV linear accelerator (LINAC) X-ray source.
These systems are further enhanced by AI algorithms designed to assist in threat detection.
As machine learning models mature and datasets expand, AI is increasingly capable of autonomously clearing benign cargo, vehicles and individuals. This allows human operators to focus their attention on anomalous or high-risk cases.
The value of such automation becomes evident when considering the statistical rarity of actual threats.
Of the 7.6 million inspections conducted by CBP, only approximately 1,500 resulted in the identification of genuine threats – a rate of just 0.02%.
In this context, AI-driven systems offer a critical advantage by filtering out the overwhelming majority of non-threatening cases.
Operational integration is equally important. The Astrophysics Situation Wall provides a centralized interface for monitoring and managing multiple NII systems.
It consolidates data on machine status, throughput, image queues and operational alerts, enabling real-time oversight and strategic coordination.
When deployed in conjunction with HXC™, HXP™ and AI technologies, the Situation Wall forms a comprehensive and cohesive security solution.
The efficacy of NII systems is not merely theoretical. Field deployments have yielded immediate and measurable results.
For instance, an HXC™ unit deployed by a US government agency identified contraband in the 20th vehicle it scanned.
Similarly, an HXP™ system installed in Latin America detected illicit materials in the third container it inspected.
These early successes highlight the systems’ operational readiness and effectiveness.
Beyond interdiction, NII systems contribute to intelligence gathering.
They facilitate the identification of novel concealment techniques and provide data on trafficking patterns.
This intelligence is invaluable for refining risk profiles and enhancing international cooperation through data sharing and early warning systems.
Throughput remains a critical performance metric.
Under optimal conditions, a single HXC™ unit can process up to 450 vehicles per hour, while an HXP™ unit can scan up to 160 trucks – each carrying a standard 40-foot container – within the same timeframe. Real-world conditions inevitably introduce variability: extended inspections, space constraints and vehicle failures can all reduce throughput.
Nevertheless, even conservative estimates are impressive. At a sustained rate of 360 vehicles per hour, 11 HXC™ units could collectively process over eight million inspections annually, assuming a standard 2,080-hour work year.
Looking ahead, the future of border and port security will hinge on deeper integration – both technologically and institutionally.
Achieving 100% inspection coverage is a strategic necessity, but the logistical complexity of large-scale economies presents a formidable barrier.
However, this challenge can be mitigated through international collaboration and distributed inspection models.
Trusted partner programs offer a viable pathway.
These initiatives rely on shared standards, mutual recognition agreements and performance-based accreditation.
By conducting inspections at smaller, upstream checkpoints, partner facilities can effectively pre-screen cargo before it reaches major ports.
This distributed model allows high-volume ports to concentrate resources on unverified shipments, thereby enhancing overall efficiency and security.
Such arrangements are mutually beneficial.
Partner facilities gain access to expedited processing channels, increasing their competitiveness.
Meanwhile, major ports benefit from reduced inspection burdens and improved throughput. The result is a more resilient and responsive global trade infrastructure.
In this evolving landscape, technologies such as the HXC™ and HXP™ will play a pivotal role. They are not merely tools of interdiction but enablers of strategic transformation.
By aligning with international frameworks and delivering measurable operational benefits, these systems set the benchmark for future NII deployments.
Investing in advanced security technologies is, fundamentally, an investment in national resilience.
It safeguards economic interests, enhances public safety and strengthens international partnerships. As threats continue to evolve, so too must the tools and strategies employed to counter them.
This article was originally published in the September edition of Security Journal Americas. To read your FREE digital edition, click here.