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Even without all-out war, new tech means we could strike facilities undetected

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Even without all-out war, new tech means we could strike facilities undetected Kyle Mizokami 17, Defense and Security writer, 11-7-2017, "Navy Tests Hypersonic Weapons That Could Hit Anywhere on Earth in an Hour," Popular Mechanics, https://www.popularmechanics.com/military/research/news/a28940/navy-hypersonic-weapon-prompt-global-strike//HM The U.S. Navy is testing technology that could deliver a conventional warhead anywhere on Earth in as little as an hour. As first reported by US Naval Institute News, the Navy performed a flight test last week featuring Prompt Global Strike, a hypersonic weapon system designed to give the U.S. the ability to quickly strike targets worldwide with almost no notice. Interest in very long range precision-guided weapons surfaced in 2001, when the George W. Bush Administration expressed interest in "offensive strike" weapons. The idea was to field a ballistic missile or some other kind of high-speed long-range missile with a conventional, high explosive warhead. This way, the U.S. could hit targets virtually anywhere based on time-sensitive information in situations where aircraft carriers, bombers, and other U.S. assets could not respond in time. The Prompt Global Strike concept got a boost in the post-9/11 era, when it seemed as if such weapons could be useful to strike fleeting targets such as terrorist meetings, or to take out elusive targets such as Saddam Hussein and Osama bin Laden. (In indeed, an attempt was made to bomb Saddam Hussein at Dora Farms, Iraq before the 2003 invasion, but he was not there at the time.) Nowadays, possible PGS uses include destroying a nuclear missile sitting on a launch stand in North Korea or Iran, targeting weapons of mass destruction in the hands of terrorists, or even hitting targets quickly during a conflict with a state such as China or Russia. PGS originally took many forms, including a conventional version of the submarine-launched Trident D-5 missile. The problem was that a conventional (non-nuclear) Trident launch looks exactly the same as a nuclear Trident launch. In the heat of conflict an adversary might panic when it detects a Trident missile in flight, not knowing whether it carried a conventional or nuclear warhead. If the adversary also had nuclear weapons, it might be tempted to launch a counterstrike on the erroneous belief it was under nuclear attack. Now the Navy if trying out "boost glide" hypersonic weapon technology. Hypersonic weapons travel at speeds of Mach 5 10 Mach 10. Boost glide hypersonic weapons typically sit atop a ballistic missile and ride the missile to a great height and speed, before detaching from the missile and gliding down to the target at blistering speed. Boost glide weapons have a different flight profile from ballistic missiles, detaching before the missile leaves the atmosphere, so they're relatively easy to differentiate on a radar screen from a regular ballistic missile that could be carrying a nuke. Not much else is known about the October 30 test. The U.S. Navy's Strategic System Program, which oversaw the test, told USNI News it was "the first conventional prompt strike missile for the United States Navy" that the Navy could someday deploy on its guided missile and attack submarines. Submarines are ideal platforms for PGS, as they can loiter underwater near targets, whittling down the reaction time even farther. Download 0.83 Mb. Share with your friends: