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☆ Explainer-Why Is North Korea Testing Hypersonic Missiles and How Do They Work?
▼ + stars: | 2024-01-15 | by ( Jan. | At A.M. | ) www.usnews.com time to read: +4 min

The United States, China, Russia and other countries have also been developing hypersonic weapons in recent years. Intercontinental ballistic missiles (ICBMs), by contrast, carry nuclear warheads on ballistic trajectories that travel into space but never reach orbit. During a rare trip to Russia last September, Kim inspected Moscow's hypersonic missiles, among other weapons. "North Korea appears to be trying to develop hypersonic missiles and intermediate range ballistic missiles based on solid propellant rocket boosters," said Chang Young-keun, a professor at Korea Aerospace University. "In particular, mid- to long-range hypersonic missiles would be useful for striking Guam while evading the U.S. missile defence system."

Persons: Shin, Vladimir Putin, Kim Jong Un, Sunday's, Kim, Chang Young, Hyonhee Shin, Ed Davies, Jamie Freed Organizations: Korean, Intercontinental, WHO, THE, United, Workers, Party, Korea Aerospace University, U.S Locations: Shin SEOUL, North Korea, United States, China, Russia, Korean, Moscow, Seoul, Korea

☆ What to know about North Korea's spy satellite launch
▼ + stars: | 2023-11-22 | by ( ) www.reuters.com time to read: +6 min

WHAT ARE THE CAPABILITIES OF NORTH KOREA'S ON-ORBIT SPY SATELLITE? To launch a more-capable satellite, North Korea will most likely need to develop a larger rocket, which it appears to be doing, he said. South Korea's spy agency has said North Korea may have overcome technical hurdles with the help of Russia, which in September publicly pledged to help Pyongyang build satellites. The United States and its allies called North Korea's latest satellite tests clear violations of United Nations Security Council resolutions, which prohibit development of technology applicable to North Korea's ballistic missile programs. "North Korea is no longer shy about testing ICBMs, so no - this really is an SLV," he said.

Persons: Jonathan McDowell, Hong Min, Kim Jong Un, Vann Van Diepen, Van Diepen, Jeffrey Lewis, Chang Young, Lee Choon, Pyongyang’s, Lewis, Hyun Young Yi, Hyonhee Shin, Josh Smith, Angus MacSwan Organizations: Reuters, KCNA, REUTERS Acquire, Rights, Harvard – Smithsonian Center for Astrophysics, U.S . Space Force, Korea Institute for National Unification, Stimson, North, Middlebury Institute of International Studies, Korea Aerospace University, South Korea's Science, Technology Policy, United Nations, Thomson Locations: North Gyeongsang Province, North Korea, Rights SEOUL, North, Korea, Pyongyang, U.S, Washington, South Korea, RUSSIA, Russia, Moscow, United States

SEOUL, Aug 24 (Reuters) - North Korea appears to have made progress in its space program, despite a second rocket failure on Thursday, but its unusually quick launch pace may be causing problems, analysts said. North Korea's second attempt to place a spy satellite in orbit failed after the booster experienced a problem with its third stage, state media reported. South Korea scheduled nearly a year between each of the three launches of its new Nuri rocket, none of which failed as spectacularly as the North Korean attempts. North Korea plans to launch the Chollima-1 three times in less than six months. "I am not sure if North Korean leadership knows the characteristics of large-scale science," he said.

Persons: Jeffrey Lewis, James Martin, Chang Young, Kim Jong, Yang Uk, Nuri, Yang Moo, Kim, Lee Choon, Hyonhee Shin, hyang Choi, Josh Smith, Gerry Doyle Organizations: James, James Martin Center, Nonproliferation, Korea Aerospace University, Asan Institute, Policy Studies, University of North Korean Studies, South Korea's Science, Technology Policy Institute, Thomson Locations: SEOUL, North Korea, South Korea, Pyongyang, Seoul, Korea, Korean

The Defense... Read moreSEOUL, June 16 (Reuters) - South Korea has recovered from the sea part of a rocket used in North Korea's failed attempt to launch its first military satellite last month, the Joint Chiefs of Staff said on Friday. The announcement came about two weeks after North Korea unsuccessfully tried to launch its first spy satellite, with the booster and payload plunging into the sea. South Korea began retrieving debris shortly after the launch, and had already recovered smaller parts. Lee Choon-geun, a honorary research fellow at South Korea's Science and Technology Policy Institute, said the newly retrieved object appeared to be a fuel tank. On Friday, the U.S. guided-missile submarine USS Michigan arrived in South Korea for the first time since 2017 for joint special warfare exercises aimed at improving responses to North Korean threats, the South Korean navy said.

Persons: North Korea's, Lee Jong, Lee Choon, Chang Young, Chang, Soo, hyang Choi, Hyonhee Shin, Ed Davies, Gerry Doyle Organizations: South Korean, The Defense, Joint Chiefs, Staff, North, Korea's Defence, South Korea's Science, Technology Policy Institute, Korea Aerospace University, North Korean, Thomson Locations: Korea, South Korea, SEOUL, North, North Korea, United States, Seoul, Washington, Pyongyang, U.S, Michigan

☆ North Korea performs key test to build more threatening ICBM
▼ + stars: | 2022-12-16 | by ( Associated Press | ) www.nbcnews.com time to read: +4 min

Some experts say North Korea would eventually use an expanded arsenal to seek sanctions relief and other concessions from the United States. “Unlike liquid propellant missiles, solid propellant missiles are fueled at the time of manufacture and can thus be released far more quickly in a war, all else being equal,” Panda said. North Korea already has a growing arsenal of short-range, solid-fueled ballistic missiles targeting key locations in South Korea, including U.S. military bases there. “Testing a gimbaled nozzle could therefore represent an important technological waypoint toward North Korea’s stated goal of a solid motor ICBM,” Dempsey said. If North Korea uses the technology to build an ICBM-class missile that can be fired from a submarine, that would equip the North with a threatening secondary, retaliatory attack capability against the United States, he said.

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