US Draws up Plans for Nuclear Drones

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Reaper drone 8/8/07

American scientists have drawn up plans for a new generation of nuclear-powered drones capable of flying over remote regions of the world for months on end without refuelling.

The blueprints for the new drones, which have been developed by Sandia National Laboratories – the US government’s principal nuclear research and development agency – and defence contractor Northrop Grumman, were designed to increase flying time “from days to months” while making more power available for operating equipment, according to a project summary published by Sandia.

“It’s pretty terrifying prospect,” said Chris Coles of Drone Wars UK, which campaigns against the increasing use of drones for both military and civilian purposes. “Drones are much less safe than other aircraft and tend to crash a lot. There is a major push by this industry to increase the use of drones and both the public and government are struggling to keep up with the implications.”

The highly sensitive research into what is termed “ultra-persistence technologies” set out to solve three problems associated with drones: insufficient “hang time” over a potential target; lack of power for running sophisticated surveillance and weapons systems; and lack of communications capacity.

The Sandia-Northrop Grumman team looked at numerous different power systems for large- and medium-sized drones before settling on a nuclear solution. Northrop Grumman is known to have patented a drone equipped with a helium-cooled nuclear reactor as long ago as 1986, and has previously worked on nuclear projects with the US air force research laboratory. Designs for nuclear-powered aircraft are known to go back as far as the 1950s.

The research team found that the nuclear drones were able to provide far more surveillance time and intelligence information per mission compared to other technologies, and also to reduce the considerable costs of support systems – eliminating the need, for example, for forward bases and fuel supplies in remote and possibly hostile areas.

A halt has been called to the work for now, due to worries that public opinion will not accept the idea of such a potentially hazardous technology, with the inherent dangers of either a crash – in effect turning the drone into a so-called dirty bomb – or of its nuclear propulsion system falling into the hands of terrorists or unfriendly powers.

Sandia confirmed that the project had been completed: “Sandia is often asked to look at a wide range of solutions to the toughest technical challenges. The research on this topic was highly theoretical and very conceptual. The work only resulted in a preliminary feasibility study and no hardware was ever built or tested. The project has ended.”

According to a summary of the research published by the Federation of American Scientists, an independent thinktank, computer-based projections were used to test the concepts. “Based on requirements and direction provided by Northrop Grumman, Sandia performed focused studies to translate stated needs into conceptual designs and processes that could be transferred easily from Sandia to industry design and production personnel,” the document says.

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