A sinister airborne surveillance camera gives the U.S. military the ability to track movements in an entire city like a real-time Google Street View.
The ARGUS-IS array can be mounted on unmanned drones to capture an area of 15 sq/miles in an incredible 1,800MP - that's 225 times more sensitive than an iPhone camera.
From 17,500ft the remarkable surveillance system can capture objects as small as 6in on the ground and allows commanders to track movements across an entire battlefield in real time.
'It is important for the public to know that some of these capabilities exist,' said Yiannis Antoniades, the BAE engineer who designed the system, in a recent PBS broadcast.
The aerospace and weapons company developed the ARGUS-IS array as part of a $18.5million project funded by the Pentagon's Defense Advanced Research Projects Agency (Darpa).
In Greek mythology, Argus Panoptes, guardian of the heifer-nymph Io and son of Arestor, was a primordial giant whose epithet, 'Panoptes', 'all-seeing', led to his being described with multiple, often one hundred, eyes.
Like the Titan of myth, the Pentagon's ARGUS-IS (a backronym standing for Autonomous Real-time Ground Ubiquitous Surveillance-Imaging System) works by stringing together an array of 368 digital camera imaging chips.
An airborne processor combines the video from these chips to create a single ultra-high definition mosaic video image which updates at up to 15 frames a second.
For the PBS programme reporting the technology, Mr Antoniades showed reporters a feed over the city of Quantico, Virginia, that was recorded in 2009.
The technology has been in development since 2007 but authorities are staying tight lipped about whether it has yet been deployed on the battlefield.

Dr Steven Wein, director of optical sensor systems at BAE Systems, said: 'The ARGUS-IS system overcomes the fundamental limitations of current airborne surveillance systems.

'Very high-resolution imaging systems required for vehicle and dismount tracking typically have a "soda-straw" view that is too small for persistent coverage.

'Existing wide-area systems have either inadequate resolution or require multiple passes or revisits to get updates.'

BAE are now said to be working on an infra-red version of ARGUS that would allow commanders total surveillance of an area even at night.

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