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Tobin Harshaw

Send in the Cyborg Marines

Early experiments in soldier-machine symbiosis aren't quite Robocop.
Beta testing?

Beta testing?

Source: US Navy via Getty Images

The Pentagon's F-35 Joint Strike Fighter jet is the most expensive piece of military hardware in history. Is it also a centaur?

That's the riddle posed by an intriguing and perplexing interview given over the weekend by Robert O. Work, the deputy secretary of defense, at the Reagan National Defense Forum in California. Work was attempting to describe the cutting-edge technology at the heart of what the Pentagon calls its "third offset," a rethinking of deterrence strategy against China and Russia, which have rapidly closed the technology gap enjoyed by the U.S. military since the 1970s.