That particular device wasn't. But other very similar devices have been purchased by the US military. > The Navy's counterterrorism technology task force teste

That particular device wasn't. But other very similar devices have been purchased by the US military. > The Navy's counterterrorism technology task force tested Sniffex and concluded "The Sniffex handheld explosives detector does not work." Despite this, the US military bought eight for $50,000. https://en.wikipedia.org/wiki/Sniffex https://en.wikipedia.org/wiki/Sniffex