If North Korea returns to long-range missile launches or other weapons tests in ...
SEOUL - If North Korea returns to long-range missile launches or other weapons tests in 2020, its military could make valuable technical advances and gain experience alongside whatever political message is sent to Washington.
After years of development, the weapons programs of North Korea are now advanced enough that it is hard to predict what it might test, said Jeffrey Lewis, a researcher at the James Martin Center for Nonproliferation Studies . Although North Korean state media did not say exactly what was tested or what the new weapon might be, officials in Washington and Seoul said it appeared likely the North had tested rocket engines, possibly for ICBMs.
“Every missile they’ve flight-tested in 2019 to date has used a solid rocket motor and they’re clearly becoming more adept at casting these motors in different diameters,” Panda said. “There are challenges associated with moving to ICBM-sized SRMs, but perhaps North Korea will demonstrate a breakthrough on that front.”A warhead launched by an ICBM needs a protective reentry vehicle to help it survive the fiery descent through the atmosphere to hit its target.
However, the tests were conducted on a “lofted trajectory” high into space, potentially limiting the usefulness of some of the data, as the missile would take a much different trajectory during a war, he added.
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