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Navy testing revolutionary remote-controlled choppers, rail gun

Those who chuckled when Amazon's Jeff Bezos suggested he could one day deliver packages by drone might want to think again. 

The U.S. Naval Research unit, led by Rear Adm. Matt Klunder, already is in the process of developing an unmanned helicopter that can be navigated by iPad. And that's just one way the unit is researching ways to revolutionize how the U.S. military fights, and saves lives. 

"It will be able to deliver critical mission supplies, life-saving supplies. It could even be in our civilian sector used by first responders," Klunder said of the chopper project. 

The U.S. Navy has successfully tested the unmanned chopper, part of a five-year, $100 million program. "For the first time we could put a system, about 60 pounds, on any helicopter, manned or unmanned. With a touch of one button on my handheld, I can direct that helicopter to an unprepared landing site." 

What makes this new technology different is the autonomous nature of the helicopter. It's designed to think on its own, and the pilot has to do little more than enter the destination into an iPad app, while the helicopter does the rest. 

"We actually put obstacles on the ground and it would come in all by itself and go -- 'that's an obstacle, can't land there, let's go here.' And it does it all by itself," Klunder explained. "It says, 'I've now judged the terrain and now I've decided that's the best place to land all by itself." 

Predator drones, unlike the Navy's new "Autonomous Aerial Cargo Utility System," require constant navigation from a pilot, even if that pilot is halfway around the world. Outfitted on full-size helicopters, this new technology enables Marines to transport supplies from a base to troops in the field and return, using pilotless helicopters controlled by tablets. 

The helicopter can take off with 5,000 pounds of cargo. It can also help rescue injured Marines on the battlefield. The new system was developed by Lockheed Martin Corp. and Aurora Flight Sciences. 

Elsewhere, at a top-secret Navy base in Dahlgren, Va., the U.S. Navy is testing another game-changing technology that sounds like something out of Star Wars: an electromagnetic rail gun that fires projectiles nearly eight times the speed of sound using electromagnetic pulses. The rail gun will fire from a new high-speed ship, the USNS Millinocket, slicing through targets 100 miles from the gun. And it is safer for sailors at sea because it doesn't use gunpowder or chemicals. 

This ship-mounted cannon fires at nearly Mach 8, or eight times the speed of sound. It's all done through pulse electricity. 

"I think that's a pretty good deterrent message to our adversaries out there that want to threaten our nation," Klunder said. "I think they're going to think long and hard about do I even want to engage the United States of America with the threat knowing that we've got a rail gun system now that will take anything out of the sky that they're going to send at us." 

The technology of forcing projectiles between two electrified rails isn't new; it's even been considered for space launches. The technology has cost the U.S. taxpayers $240 million over the past 10 years -- some in Congress tried to have the gun itself killed in 2011. 

Supporters note the rail guns can protect against cruise and ballistic missiles, though it needs to fire multiple times to be effective. Right now, the Navy is working on its cooling systems so that the weapon doesn't overheat. The current version is built by BAE Systems.

Jennifer Griffin currently serves as a national security correspondent for FOX News Channel . She joined FNC in October 1999 as a Jerusalem-based correspondent. 

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