They got help from X-Ray Toolkit (XTK), an image-processing and analysis software developed at Sandia National Laboratories that has swept the ranks of the country鈥檚 bomb squads. In fact, XTK has spread through the military and emergency response communities so rapidly that it鈥檚 now in the hands of more than 20,000 users across the globe. It also was adopted by the FBI鈥檚 Hazardous Devices School, which certifies the 467 recognized state and local bomb squads in the U.S., as its benchmark for all courses.
鈥淴TK is the standard in the field not only nationally, but internationally. It made the average bomb tech a better bomb tech,鈥� said Craig Greene, a special agent and bomb technician at the Albuquerque FBI. 鈥淚n the past 20 years, the bomb technician community has progressed from the Stone Age to the 21st century in terms of equipment and procedures, and XTK is a major part of that progression.鈥�
The toolkit got to the people who needed it so quickly due to a thoroughly unconventional approach to technology transfer. 鈥淭he objective was to get the technology out so it could be used to save lives.鈥� said Justin Garretson, lead developer of the XTK software.
Sandia recently won the 2016 national Federal Laboratory Consortium Award for Excellence in Technology Transfer for its XTK effort. Licensing specialist Bob Westervelt said Sandia did three things:鈥� offered it to military and law enforcement bomb squads to download free from the XTK website;鈥� offered no-cost test and evaluation licenses to X-ray scanner manufacturers so they could make sure XTK worked with their hardware; and鈥� offered low-cost licenses to companies willing to give high-quality training to end users.鈥淭hose were foundational elements of the XTK licensing. It was a unique approach,鈥� Westervelt said. 鈥淲e hadn鈥檛 done anything like it on that scale before.鈥�
Explosive Ordnance Disposal (EOD) technicians use portable X-ray scanners with image-processing software to look inside and analyze suspicious objects ranging from backpacks to battlefield improvised explosive devices (IEDs) to shipping containers. It鈥檚 a high-pressure, time-sensitive job. 鈥淓very mission is different,鈥� Garretson said. 鈥淢aybe it鈥檚 just someone鈥檚 lunch or a hoax, but maybe it鈥檚 a pipe bomb. It鈥檚 all about speed, precision and accuracy. It鈥檚 about having all the tools you need, none that you don鈥檛 need and supporting the bomb tech鈥檚 natural work flow.鈥�
Before XTK, bomb techs had to learn to use multiple software packages, most developed for medical X-ray or photography applications rather than emergency response.
The federal government wanted a specialized X-ray visualization tool, and Sandia was tapped in 2009 to develop XTK with funding from the National Nuclear Security Administration (NNSA) and the Department of Defense Combating Terrorism Technical Support Office. 鈥淲e wanted something new and specific to the needs of national EOD personnel responsible for responding to nuclear terrorism events,鈥� said Marc Phipps, a former Army non-commissioned officer and bomb technician who headed up the XTK project for NNSA. 鈥淚 was an Army guy and knew we could do better.鈥�
The XTK team spent hundreds of hours with EOD technicians learning how they work and custom built the software to meet their needs. 鈥淭here was a lot of collaboration. As a response organization, we were able to guide the software where it needed to be,鈥� Phipps said. 鈥淲e went out with local bomb squads and brought Sandia coders with us to the field. Justin would be in the classroom writing code while the techs were testing the software. We would de-bug it right there. He wrote the code during lunch and when the techs came back it was ready. We gave everybody everything they ever wanted. It was awesome.鈥滸arretson said Phipps had 鈥渁 vision of what this software could be.鈥濃�淲e鈥檇 get something done and he鈥檇 give us more,鈥� Garretson said. 鈥淢ake it do this, make it do that. Have it talk to the scanners, stitch images together, enhance so we can see things better, now add measurement tools. We did all that. Now make it compress the images so I can upload them over a satellite data-link. Piece by piece, Marc had us put into one user-friendly package all the tools that could make the bomb tech more effective.鈥�
Phipps said there were dozens of versions of the toolkit before XTK 1.0 was ready. 鈥淲e made it simple to use,鈥� he said. 鈥淓OD personnel can customize the features and set it up the way they want to use it. They can manage an incident as needed.鈥�
A bomb tech scans an object and acquires an image, then applies 鈥渁ll our XTK magic to it,鈥� Garretson said. 鈥淏ut it doesn鈥檛 begin or even end with looking at the images. XTK assists the bomb tech in every step of the operation from planning X-ray exposures to transmitting images out of the field.鈥漈he software tools can help optimize X-rays, identify critical device components, create 3-D visualizations, stitch multiple images together to cover large objects and compress large images for transmission. XTK also offers file management, measurement, markup, image-sharing tools and the ability to create training scenarios and after-action reports. 鈥淲e wanted to equip responders to be better able to respond,鈥� Phipps said.
Greene said bomb techs must manipulate a radiographic image to learn what it is. 鈥淴TK is very versatile and lets us manipulate the X-ray to identify certain components. There are no alternatives to identifying what鈥檚 in the X-ray,鈥� he said. 鈥淭hat鈥檚 the key to rendering safe any IED or explosive. If you don鈥檛 know what鈥檚 inside the packet, the render safe tool might be wrong.鈥�
In tandem, Sandia designed the patented Grid-Aim system, an optional hardware accessory kit for XTK that lets users quickly and precisely disable the internal components of an IED with minimal damage to surrounding property and infrastructure, preserving the rest of the device for evidence.
As XTK and Grid-Aim were being developed for government use, Phipps saw that the system could help military and civilian bomb techs do their jobs better. 鈥淲e were working with FBI and state and local EOD people,鈥� he said. 鈥淎ll the local guys said, 鈥楬ow do we get that?鈥� Well, the government paid for it, why not give it to them? So we gave it away.鈥�
The technology transfer began in 2012 when the government began outside distribution of XTK software. 鈥淚t was huge. People everywhere wanted it,鈥� Phipps said. 鈥淲e were teaching classes all the time and set up a website and 24-hour phone number. It was almost a full-time job answering emails and phone calls. It took off because it was what people needed.鈥�
Sandia wasn鈥檛 able to train the tens of thousands of people who wanted XTK so the technology was licensed to multiple companies that provided training and helped get XTK widely distributed in a short time. Westervelt said instructors are tested and certified every year to maintain high-quality training. Grid-Aim was licensed separately to four companies that produce and sell the hardware.XTK is used by the Department of Justice, Department of Energy and Department of Defense. U.S. allies including the United Kington, Australia and Canada use the software, with more requests coming in from international training partners. Sandia updates XTK regularly with new features and versions designed for mobile computer platforms, such as touch-screen tablets. 鈥淚t keeps getting bigger,鈥� Phipps said.
鈥淴TK is a success story, taxpayer money put to good use,鈥� Garretson said. 鈥淓ven after all these years I get feedback all the time about how much of a difference it has made for people. One guy calls it the single most impactful, game-changing thing he鈥檚 seen in his years as a bomb tech. It bridged the gap between our world at Sandia and the rest of the world.鈥�
Greene said bomb techs know and appreciate that NNSA, which funded the initial work, made the software available as a free app and continues to update it. 鈥淭hat鈥檚 important to them,鈥� he said. 鈥淚t鈥檚 their lives and the lives of others on the line.鈥�
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