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#80
by
Steven Pietrobon
on 29 May, 2017 07:40
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Screen grabs. The video says the flight shows that faults in the system found last year have been fixed. An explosion is shown at the end of the flight, but we don't known if an actual intercept occurred beforehand.
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#81
by
Websorber
on 29 May, 2017 09:55
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#82
by
Steven Pietrobon
on 29 May, 2017 11:24
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From the article
"The flight distance is around 450 kilometers," Army Col. Roh Jae-cheon, the JCS's spokesman, told reporters. "It flew at an apogee of some 120 km."
This might be a Hwasong-6 (Scud C) which has a range of 500 km. The article says the anti aircraft missile launch was of a Pon'gae-5 (KN-06) and launched on Saturday (27 May).
"The North fired a mid-range missile, known as the Pukguksong-2, on May 21 and conducted a KN-06 surface-to-air guided missile test Saturday."
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#83
by
Websorber
on 29 May, 2017 12:05
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#84
by
Websorber
on 30 May, 2017 08:40
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KJU Guides latest ballistic missile launch
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#85
by
Steven Pietrobon
on 31 May, 2017 06:05
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The video was deleted by the user. This might be the same video.
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#86
by
Websorber
on 03 Jun, 2017 18:38
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#87
by
Star One
on 04 Jul, 2017 06:54
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North Korea claims successful test of intercontinental ballistic missile
David Wright, co-director of the Global Security Program at the US-based Union of Concerned Scientists, said the initial assessments of the flight time and distance suggest the missile might have been launched on a “very highly lofted” trajectory of more than 2,800 km.
The same missile could reach a maximum range of roughly 6,700 km on a standard trajectory, Wright said in a blog post.
“That range would not be enough to reach the lower 48 states or the large islands of Hawaii, but would allow it to reach all of Alaska,” he said.
https://www.theguardian.com/world/2017/jul/04/north-korea-launches-ballistic-missile-japans-defence-ministry-saysThe missile, referred to as Hwasong-14 on state TV, flew into waters east of the Korean Peninsula and may have landed in Japan's Exclusive Economic Zone, which extends 200 nautical miles from its coastline, according to a Japanese defense official.
http://edition.cnn.com/2017/07/03/asia/north-korea-missile-japan-waters/index.html
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#88
by
Websorber
on 04 Jul, 2017 08:59
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North Korea Fires Inter Continental Ballistic Missile Hwasong 14
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#89
by
dodo
on 04 Jul, 2017 11:01
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Please excuse the novice question, but an article today in CNN
http://edition.cnn.com/2017/07/03/asia/north-korea-missile-japan-waters/index.htmlclaims figures of 930 Km range and 2500 Km altitude... aren't these numbers swapped?
The article keeps speaking of altitudes in the few thousand Km, which seems odd, and I wondered if it's constantly confusing range and altitude figures.
According to
Wikipedia ("Flight phases"), a typical ICBM would reach an apogee of 1200 Km (which is 12 times over the Karman line, and still seems pretty high to me).
P.S.: Then again, if the range was 2500 Km, it would have landed in the middle of the Pacific, not in Japan's Economic Zone as claimed.
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#90
by
Rebel44
on 04 Jul, 2017 11:10
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Please excuse the novice question, but an article today in CNN
http://edition.cnn.com/2017/07/03/asia/north-korea-missile-japan-waters/index.html
claims figures of 930 Km range and 2500 Km altitude... aren't these numbers swapped?
The article keeps speaking of altitudes in the few thousand Km, which seems odd, and I wondered if it's constantly confusing range and altitude figures.
According to Wikipedia ("Flight phases"), a typical ICBM would reach an apogee of 1200 Km (which is 12 times over the Karman line, and still seems pretty high to me).
Numbers are correct - missiles are sometimes launched on lofted trajectory in order not to openly announce their range for diplomatic reasons
In this case (Hwasong-14) estimated max range puts in into ICBM category
If you are interested in DPRK missile program,
https://twitter.com/ArmsControlWonk posts a lot about DPRK missiles and is a good source
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#91
by
hop
on 04 Jul, 2017 19:30
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Numbers are correct - missiles are sometimes launched on lofted trajectory in order not to openly announce their range for diplomatic reasons
IMO the diplomatic reason in this case is to avoid overflying neighbors or being mistaken for a real attack, not to obfuscate the capabilities. DPRK announced this as an ICBM, and they clearly want the world to believe they have that capability.
There may also be technical reasons: It's probably easier for them to track the whole flight, and it can be useful for testing RVs for future longer range missile.
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#92
by
Star One
on 04 Jul, 2017 20:41
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If flown in a more typical trajectory, the missile would have easily traveled 4,000 miles, potentially putting all of Alaska within its range, according to former government officials and independent analysts. A missile that exceeds a range of 3,400 miles is classified as an intercontinental ballistic missile, or ICBM.
“This is a big deal: It’s an ICBM, not a ‘kind of’ ICBM,” said Jeffrey Lewis, director of the East Asia program at the Center for Nonproliferation Studies. “And there’s no reason to think that this is going to be the maximum range.”
This bit caught my eye as I had been wondering about this.
While U.S. intelligence officials have sought, with some success, to disrupt North Korea’s progress, Pyongyang has achieved breakthroughs in multiple areas, including the development of solid-fuel rocket engines and mobile-launch capabilities, including rockets that can be fired from submarines. Early analysis suggests that the Hwasong-14 uses a new kind of indigenously built ballistic-missile engine, one that North Korea unveiled with fanfare on March 18. Nearly all the country’s ballistic missiles up until now used engines based on modifications of older, Soviet-era technology.
“It’s not a copy of a crappy Soviet engine, and it’s not a pair of Soviet engines kludged together — it’s the real thing,” Lewis said. “When they first unveiled the engine on March 18, they said that the ‘world would soon see what this means.’ I think we’re now seeing them take that basic engine design and execute it for an ICBM.”
https://www.washingtonpost.com/world/national-security/experts-north-koreas-missile-was-a-real-icbm--and-a-grave-milestone/2017/07/04/554bb81e-60da-11e7-8adc-fea80e32bf47_story.html?hpid=hp_hp-top-table-main_missile-explainer-145pm%3Ahomepage%2Fstory&utm_term=.2703387024ce
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#93
by
Danderman
on 04 Jul, 2017 23:52
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I have not seen any reference to staging, so this may have been a test of an ICBM first stage, albeit a small one.
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#94
by
RotoSequence
on 04 Jul, 2017 23:54
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I have not seen any reference to staging, so this may have been a test of an ICBM first stage, albeit a small one.
Seems like a bit of a stretch to say a 6700 kilometer ICBM is a small one.
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#95
by
hop
on 05 Jul, 2017 02:46
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#96
by
Zed_Noir
on 05 Jul, 2017 03:51
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I have not seen any reference to staging, so this may have been a test of an ICBM first stage, albeit a small one.
Seems like a bit of a stretch to say a 6700 kilometer ICBM is a small one.
Think small as in the payload mass. Somewhat like the Minuteman is a small ICBM with 3 low yield precision warheads.
For the DPRK, a circular error radius of the warhead impact point of a few dozen kilometers is all that is needed. Enough for even a low yield air burst fission warhead as a city-buster over a large metropolitan area. They are not developing a counter-force weapon.
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#97
by
Steven Pietrobon
on 05 Jul, 2017 04:32
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Screen grabs of the 4 July flight of Hwasong-14. The last photo shows the engine configuration, a fixed large engine with four small verniers surrounding it.
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#98
by
Lewis007
on 05 Jul, 2017 07:02
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The same pics in better (although low-res) quality) from the KCNA website.
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#99
by
ethan829
on 05 Jul, 2017 10:32
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