A second summit between President Donald Trump and North Korean leader Kim Jong Un is set for Vietnam's capital from Feb. 27-28.

Trump and Kim met last June in Singapore, outreach the American president has said opened a path to peace. But that face-to-face hasn't resulted in any solid plan for ridding the North of nuclear weapons.

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U.S. President Donald Trump answers questions about the summit with North Korea leader Kim Jong Un during a press conference at the Capella resort on Sentosa Island Tuesday, June 12, 2018, in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoWong Maye-E, File)

A second summit between President Donald Trump and North Korean leader Kim Jong Un is set for Vietnam's capital from Feb. 27-28.

In this June 12, 2018, file photo, North Korea leader Kim Jong Un and U.S. President Donald Trump shake hands at the conclusion of their meetings at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoSusan Walsh, Pool, File)

This time, observers will be looking for something more concrete.

In this June 12, 2018, file photo, North Korean leader Kim Jong Un smiles as he meets with President Donald Trump on Sentosa Island, Tuesday, June 12, 2018, in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, North Korean leader Kim Jong Un smiles as he meets with President Donald Trump on Sentosa Island, Tuesday, June 12, 2018, in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, spectators take photos of the motorcade of North Korea leader Kim Jong Un as it leaves the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump is scheduled. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 12, 2018, file photo, spectators take photos of the motorcade of North Korea leader Kim Jong Un as it leaves the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump is scheduled. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 12, 2018, file photo, a staff of a local newspaper Yomiuri distributes an extra edition of the newspaper reporting about the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un in Singapore, at Shimbashi Station in Tokyo. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoKoji Sasahara, File)

In this June 12, 2018, file photo, a staff of a local newspaper Yomiuri distributes an extra edition of the newspaper reporting about the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un in Singapore, at Shimbashi Station in Tokyo. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoKoji Sasahara, File)

In this June 11, 2018, file photo, a man walks past a mural depicting North Korean leader Kim Jong Un in Los Angeles. U.S.President Donald Trump and Kim Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJae C. Hong, File)

In this June 11, 2018, file photo, a man walks past a mural depicting North Korean leader Kim Jong Un in Los Angeles. U.S.President Donald Trump and Kim Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJae C. Hong, File)

In this June 12, 2018, file photo, U.S. President Donald Trump answers questions about the summit with North Korea leader Kim Jong Un during a press conference at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoSusan Walsh, File)

In this June 12, 2018, file photo, U.S. President Donald Trump answers questions about the summit with North Korea leader Kim Jong Un during a press conference at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoSusan Walsh, File)

In this June 12, 2018, file photo, U.S. President Donald Trump and North Korea leader Kim Jong Un stop to talk with the media as they walk from their lunch at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, U.S. President Donald Trump and North Korea leader Kim Jong Un stop to talk with the media as they walk from their lunch at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, police officers lead a motorcade of North Korean leader Kim Jong Un as they leave the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump will take place. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 12, 2018, file photo, police officers lead a motorcade of North Korean leader Kim Jong Un as they leave the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump will take place. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

FILE - In this June 12, 2018, file photo, people celebrate as they watch a TV showing U.S. President Donald Trump meeting with North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoAhn Young-joon, File)

FILE - In this June 12, 2018, file photo, people celebrate as they watch a TV showing U.S. President Donald Trump meeting with North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoAhn Young-joon, File)

In this June 10, 2018, file photo, police officers patrol outside the Shangri-La Hotel in Singapore ahead of the first summit between U.S. President Donald Trump and North Korean leader Kim Jong Un. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 10, 2018, file photo, police officers patrol outside the Shangri-La Hotel in Singapore ahead of the first summit between U.S. President Donald Trump and North Korean leader Kim Jong Un. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 10, 2018, file photo, the North Korean Motorcade believed to be carrying Kim Jong Un travels past Singapore's Orchard Road on its way to the St Regis Hotel ahead of the first summit with U.S. President Donald Trump. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJoseph Nair, File)

In this June 10, 2018, file photo, the North Korean Motorcade believed to be carrying Kim Jong Un travels past Singapore's Orchard Road on its way to the St Regis Hotel ahead of the first summit with U.S. President Donald Trump. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJoseph Nair, File)

In this June 12, 2018, file photo, a man reads a newspaper reporting the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un, at a newspaper distributing station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. The headline read: " North Korea and the United States end 68 years of hostile relations." (AP PhotoAhn Young-joon, File)

In this June 12, 2018, file photo, a man reads a newspaper reporting the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un, at a newspaper distributing station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. The headline read: " North Korea and the United States end 68 years of hostile relations." (AP PhotoAhn Young-joon, File)

In this June 11, 2018, file photo, a man watches a TV screen showing file footage of U.S. President Donald Trump, right, and North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28.  The signs read: " Summit between the United States and North Korea." (AP PhotoAhn Young-joon, File)

In this June 11, 2018, file photo, a man watches a TV screen showing file footage of U.S. President Donald Trump, right, and North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. The signs read: " Summit between the United States and North Korea." (AP PhotoAhn Young-joon, File)

The Singapore summit made history by simply being the first-ever meeting between sitting leaders of the longtime enemies. It was filled with pageantry and memorable moments, such as the first handshake, walks in a garden, and a brief glimpse inside Trump's limousine.

U.S. President Donald Trump answers questions about the summit with North Korea leader Kim Jong Un during a press conference at the Capella resort on Sentosa Island Tuesday, June 12, 2018, in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoWong Maye-E, File)

U.S. President Donald Trump answers questions about the summit with North Korea leader Kim Jong Un during a press conference at the Capella resort on Sentosa Island Tuesday, June 12, 2018, in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoWong Maye-E, File)

This time, observers will be looking for something more concrete.

In this June 12, 2018, file photo, North Korea leader Kim Jong Un and U.S. President Donald Trump shake hands at the conclusion of their meetings at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoSusan Walsh, Pool, File)

In this June 12, 2018, file photo, North Korea leader Kim Jong Un and U.S. President Donald Trump shake hands at the conclusion of their meetings at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoSusan Walsh, Pool, File)

In this June 12, 2018, file photo, North Korean leader Kim Jong Un smiles as he meets with President Donald Trump on Sentosa Island, Tuesday, June 12, 2018, in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, North Korean leader Kim Jong Un smiles as he meets with President Donald Trump on Sentosa Island, Tuesday, June 12, 2018, in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, spectators take photos of the motorcade of North Korea leader Kim Jong Un as it leaves the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump is scheduled. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 12, 2018, file photo, spectators take photos of the motorcade of North Korea leader Kim Jong Un as it leaves the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump is scheduled. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 12, 2018, file photo, a staff of a local newspaper Yomiuri distributes an extra edition of the newspaper reporting about the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un in Singapore, at Shimbashi Station in Tokyo. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoKoji Sasahara, File)

In this June 12, 2018, file photo, a staff of a local newspaper Yomiuri distributes an extra edition of the newspaper reporting about the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un in Singapore, at Shimbashi Station in Tokyo. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoKoji Sasahara, File)

In this June 11, 2018, file photo, a man walks past a mural depicting North Korean leader Kim Jong Un in Los Angeles. U.S.President Donald Trump and Kim Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJae C. Hong, File)

In this June 11, 2018, file photo, a man walks past a mural depicting North Korean leader Kim Jong Un in Los Angeles. U.S.President Donald Trump and Kim Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJae C. Hong, File)

In this June 12, 2018, file photo, U.S. President Donald Trump answers questions about the summit with North Korea leader Kim Jong Un during a press conference at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoSusan Walsh, File)

In this June 12, 2018, file photo, U.S. President Donald Trump answers questions about the summit with North Korea leader Kim Jong Un during a press conference at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoSusan Walsh, File)

In this June 12, 2018, file photo, U.S. President Donald Trump and North Korea leader Kim Jong Un stop to talk with the media as they walk from their lunch at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, U.S. President Donald Trump and North Korea leader Kim Jong Un stop to talk with the media as they walk from their lunch at the Capella resort on Sentosa Island in Singapore. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoEvan Vucci, File)

In this June 12, 2018, file photo, police officers lead a motorcade of North Korean leader Kim Jong Un as they leave the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump will take place. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 12, 2018, file photo, police officers lead a motorcade of North Korean leader Kim Jong Un as they leave the St. Regis Hotel on the way to the Capella Hotel in Singapore where the summit between Kim and U.S. President Donald Trump will take place. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

FILE - In this June 12, 2018, file photo, people celebrate as they watch a TV showing U.S. President Donald Trump meeting with North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoAhn Young-joon, File)

FILE - In this June 12, 2018, file photo, people celebrate as they watch a TV showing U.S. President Donald Trump meeting with North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoAhn Young-joon, File)

In this June 10, 2018, file photo, police officers patrol outside the Shangri-La Hotel in Singapore ahead of the first summit between U.S. President Donald Trump and North Korean leader Kim Jong Un. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 10, 2018, file photo, police officers patrol outside the Shangri-La Hotel in Singapore ahead of the first summit between U.S. President Donald Trump and North Korean leader Kim Jong Un. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoYong Teck Lim, File)

In this June 10, 2018, file photo, the North Korean Motorcade believed to be carrying Kim Jong Un travels past Singapore's Orchard Road on its way to the St Regis Hotel ahead of the first summit with U.S. President Donald Trump. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJoseph Nair, File)

In this June 10, 2018, file photo, the North Korean Motorcade believed to be carrying Kim Jong Un travels past Singapore's Orchard Road on its way to the St Regis Hotel ahead of the first summit with U.S. President Donald Trump. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. (AP PhotoJoseph Nair, File)

In this June 12, 2018, file photo, a man reads a newspaper reporting the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un, at a newspaper distributing station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. The headline read: " North Korea and the United States end 68 years of hostile relations." (AP PhotoAhn Young-joon, File)

In this June 12, 2018, file photo, a man reads a newspaper reporting the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un, at a newspaper distributing station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. The headline read: " North Korea and the United States end 68 years of hostile relations." (AP PhotoAhn Young-joon, File)

In this June 11, 2018, file photo, a man watches a TV screen showing file footage of U.S. President Donald Trump, right, and North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28.  The signs read: " Summit between the United States and North Korea." (AP PhotoAhn Young-joon, File)

In this June 11, 2018, file photo, a man watches a TV screen showing file footage of U.S. President Donald Trump, right, and North Korean leader Kim Jong Un during a news program at the Seoul Railway Station in Seoul, South Korea. Trump and Kim are planning a second summit in the Vietnam capital of Hanoi, Feb. 27-28. The signs read: " Summit between the United States and North Korea." (AP PhotoAhn Young-joon, File)