U.S. President Donald Trump on Monday became the first foreign leader to meet with Japan’s Emperor Naruhito, who ascended to the throne May 1.

Trump, who began a four-day visit to Japan on Saturday, started his formal visit on Monday, meeting with Naruhito and Empress Masako.

Trump and first lady Melania Trump took part in an elaborate welcoming ceremony at the Imperial Palace shortly after 9 a.m. local time.

The U.S. delegation was greeted at the palace by several dozen elementary schoolchildren waving Japanese and American flags. A military band played the U.S. “Star Spangled Banner” and Kimigayo anthems.

Later Monday, Trump will attend meetings at the Japanese state guest house, where he and Japanese Prime Minister Shinzo Abe are expected to discuss trade and defense matters.

 

No quick breakthrough on trade is expected although both leaders have expressed a desire for a bilateral trade pact after Trump pulled the United States out of the comprehensive 12-nation Trans-Pacific Partnership, which Tokyo had spearheaded with Washington under Trump’s predecessor, Barack Obama.

 

Abe and Trump will hold a joint news conference Monday afternoon.

The emperor is hosting an imperial banquet at the palace Monday night.

On Sunday, Trump and National Security Advisor John Bolton were publicly at odds about the seriousness of the threat currently posed by North Korea.

 

In a Sunday morning tweet from Tokyo, Trump issued a retort to Bolton who the previous day here had told reporters that there was “no doubt” North Korea’s recent test firing of short-range ballistic missiles violated a United Nations resolution.

 

Bolton’s remark was the first by a U.S. official describing the North Korean launches as a violation of U.N. resolutions.

“North Korea fired off some small weapons which disturbed some of my people and others, but not me,” said Trump in his tweet.

Trump’s tweet on North Korea caused confusion and consternation, not only within the administration but also among America’s allies in the region, acknowledged senior White House officials traveling with the president

Some analysts say the missile launches are indeed a concern.  

“It’s pretty clear the missile launch was a violation of U.N. sanctions, whatever the range. The reality is that U.S. forces and civilians in South Korea and Japan are already in range of North Koreans missiles, so accepting shorter or mid-range missiles puts the United States at risk, not to mention our allies Japan and the Republic of Korea,” Kevin Maher, a Washington security consultant and a former head of the State Department’s Office of Japan Affairs, tells VOA. “These realities are inconvenient if the objective is to show a personal relationship with the dictator Kim Jung UN will stop North Korea’s continuing nuclear and missile programs.”

 

The U.S. president also expressed confidence the North Korean leader, Kim Jong Un, “will keep his promise to me” in moving towards denuclearization.

 

Trump in the tweet also said he smiled when Kim called former U.S. Vice President Joe Biden “a low IQ individual.”

The initial presidential tweet misspelled the Democratic Party presidential contender’s name as “Bidan” and was later replaced. And it was not Kim who made the disparaging remark about Biden, rather an unsigned commentary carried by North Korea’s central news agency, which referred to the American politician as a “fool of low IQ” and an “imbecile bereft of elementary quality as a human being.”

Trump concluded his tweet by stating that perhaps Kim was trying “to send me a signal” — apparently a reference that the leader in Pyongyang prefers to negotiate with the current American president over the opposition party’s top-polling contender.

Trump and Kim have held two summits – in Singapore and Hanoi. Neither has led to any significant breakthroughs although the meetings were seen as reducing tensions between the two countries which have no diplomatic relations and their leaders had never met before.

 

The United States and North Korea were belligerents in a three-year war in the early 1950’s which devastated the Korean peninsula. It ended with an armistice, but no peace treaty has ever been signed.

 

Bolton, who 13 months ago replaced retired Army General H.R. McMaster as the president’s national security adviser, is known as a hardliner who distrusts Pyongyang’s intentions.

 

North Korea has a long track record of violating international agreements and has repeatedly defied U.N. sanctions against its nuclear weapons and ballistic missile programs.

Before Trump departs Japan on Tuesday, he is to visit the naval base at Yokosuka to tour a Japanese helicopter carrier and address American service personnel in conjunction with the U.S. Memorial Day holiday (observed on Monday).

 
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Kim Dong-hyun of the VOA Korean Service contributed to this report.

WASHINGTON — South Korea should integrate its missile defense system with that of the U.S. to maximize the combined capabilities to counter a potential incoming flight of North Korea’s missiles across the border, experts said in the wake of Pyongyang’s two missile launches in early May.

South Korea’s missile defense system and the U.S. antimissile defense system deployed in South Korea are coordinated but operate independently.

“The whole system would work better if it was fully integrated, if it was a completely combined operation,” said Bruce Bechtol, a former intelligence officer at the Defense Intelligence Agency who is now a professor at Angelo State University in Texas.

​Why not integrate systems?

The lack of integration is rooted in regional history. The South Korean government, whether it was conservative or liberal, never merged its system with the U.S. system for political reasons, in part, because integrating it would mean joining the U.S. missile defense alliance in the region that includes Japan, South Korea’s colonial adversary toward which South Korea’s public sentiment has been historically antagonistic, according to Bruce Bennett, a senior defense analyst at the Rand Corp. research center.

Streamlining the command and control of the two missile defense systems with autonomous command and control would cut the time needed to analyze data, share information, and cue the proper system for targeting and intercepting an incoming missile, according to David Maxwell, a former U.S. Special Forces colonel and current fellow at the Foundation for Defense of Democracies.

On May 17, the Pentagon announced the U.S. had approved a $314 million sale of air defense missiles to South Korea.

South Korea’s missile defense system, termed the Korean Air and Missile Defense (KAMD), includes Aegis and Patriot systems, and is designed to protect South Korea from missiles that fly at different altitudes and distance by detecting, tracking and intercepting incoming missiles in the air. Terminal High Altitude Area Defense (THAAD), which currently falls under the U.S. missile defense system, is also deployed in South Korea.

Aegis, a sea-based missile defense system, and THAAD are area defense weapons that have the capabilities to defend wide areas against missiles that fly high altitudes. And, the Patriot system, known as pointed defense weapons, can intercept missiles directed against smaller areas such as air base, according to Maxwell.

​No perfect defense

But they don’t provide a perfect defense that prevents missiles from getting through, he added.

“There’s no impenetrable shield,” Maxwell said. “There [is] always going to be a gap, a seam, a weakness, that the enemy is always trying to exploit and defenders are always trying to fix and find a better way. This is constantly a game of where capabilities continue to evolve.”

This was part of what was happening when North Korea tested a new missile on May 4 that is considered to be similar to the Russian Iskander, a nuclear-capable missile that flies lower than the short-range ballistic missiles North Korea tested before.

“A ballistic missile leaves the earth’s atmosphere and glides back down,” Bechtol said. “This [test] missile does not, as far as I can tell, leave the Earth’s atmosphere. It operates more like a cruise missile than a ballistic missile.”

A cruise missile flies on a relatively straight line and at a lower altitude than a ballistic missile, which arcs up before curving down toward a target.

​Russian-like missile poses challenges

Experts said if the new missile is modeled after the Iskander, it could pose multiple challenges and could exploit gaps in the existing missile-defense coverage in South Korea. 

The new missile’s “flattened flight path” toward a target “makes it difficult to intercept” with current defense systems, said Michael Elleman, a senior fellow at the International Institute for Strategic Studies.

The North Korean version of the Iskander does not fly higher than 50 kilometers and can travel a ground distance as far as 280 kilometers, according to Elleman.

But THAAD and the Aegis SM-3 interceptor operate at an altitude above 50 kilometers, and the Patriot system’s effective intercepting range is at an altitude of about 25 to 30 kilometers with the Patriot variant PAC-3 Missile Segment Enhancement (MSE) interceptor extending its flight to an altitude of about 40 kilometers.

That leaves “a gap in interceptor coverage” of at least 10 kilometers between the missile defense systems that operate at roughly 40 to 50 kilometers, said Ellemen. “The Iskander spends most of its flight path in this gap, making it difficult to intercept.”

The Iskander can fly at a high speed, presenting another challenge for the current missile defense system.

Bennett said, “The Iskander flies perhaps 20-25 percent faster than the Scud,” a series of tactical ballistic missiles that could travel five times the speed of sound, potentially capable of reaching South Korea in about five minutes, Bennett said.

“THAAD and the SM-3 on the Aegis [equipped] ships should be able to handle this speed. [But] the Iskander flies low, [a] potential challenge for THAAD and the SM-3,” he added.

Most accurate North Korean missile

The Iskander can be mounted on mobile launch platforms, meaning it can be moved and fired quickly.

“It’s a solid fuel missile,” Bechtol said, explaining that the fuel can be loaded ahead of launch “and moved much more quickly than liquid-fuel missiles.” The latter need fueling just before launch.

The Iskander’s maneuverability also makes it difficult for THAAD, Aegis SM-3, and the Patriot system to intercept.

“The Iskander has fins mounted at the back of the missile, which allow it to maneuver during the entire flight,” Ellemen explained. “This makes it much more difficult to predict an intercept location and launches the interceptor on the optimal path for an engagement resulting in destruction of the threat.”

Bechtol said, “It would be the most accurate missile the North Koreans have ever had, so accurate that they could actually fire out … [and] target barracks, flight lines for aircraft, headquarter buildings.”

With the missile test, “the North Koreans are showing us that they have a missile [with which] they can accurately target Osan Air Base or Camp Humphreys in a very real, in a very dangerous way,” Bechtol said, citing American installations in South Korea.

“They were able to keep in accordance with the agreement they made with [President Donald] Trump, and at the same time, threaten the United States and South Korea in a very compelling way,” he added.

When the Pyongyang government began talks with Washington last year, it pledged to suspend nuclear and long-range missile tests.

​Complicated political situation

Merging South Korean and U.S. missile defense systems could be hampered by the political situation in South Korea, according to Maxwell. Public attitudes have changed little since 2017, when hundreds of South Korean citizens protested the installation of THAAD at a U.S. military south of Seoul.

“I just don’t see the political will for that in South Korea among majority of the people or the current rule and government,” Maxwell said.

Bennett said a North Korean missile that slipped under defense systems could devastate the peninsula, depending on the type of warhead it carried, “… which in theory could be conventional, nuclear or chemical,” he said. “So the defense would turn to passive defense: protecting people in shelters with masks and protective clothing.”

According to Maxwell, a variant of the Patriot interceptor, the PACT 3 Guidance Enhanced Missile (GEM-T) under the U.S. missile defense system in South Korea is better able “to defeat tactical ballistic missiles and aircraft and cruise missiles” and could potentially intercept the new kind of missile North Korea tested.
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It’s been 150 years since the U.S. transcontinental railroad connected America’s East and West. To celebrate the anniversary, the Smithsonian’s National Museum of American History is highlighting an event that quite literally united the nation. VOA’s Maxim Moskalkov visited the exhibition and talked to the ancestors of those who helped build it.
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