Residents of the USA island of Guam say they're anxious but overall "unworried" amid missile threats from North Korea.
According to the sources, the PAC-3 missiles will be placed in: Kaita, Hiroshima Prefecture; Izumo, Shimane Prefecture; Kochi, Kochi Prefecture; and Matsuyama, Ehime Prefecture.
The SDF spokesman said the country's Aegis ballistic missile defense system was deployed in the waters between Japan and the Korean Peninsula, but would not give a specific location.
The South Korean official said member states of ARF reaffirmed it shared the common goal of the worldwide communities to "achieve a complete, verifiable and irreversible denuclearization of North Korea in a peaceful manner".
Called Ulchi-Freedom Guardian, the exercises are expected to run from August 21-31 and involve tens of thousands of American and South Korean troops on the ground and in the sea and air.
In Guam's capital Hagatna, residents were unruffled by Pyongyang's rhetoric.
Regional tensions are mounting as Washington and Pyongyang ratchet up their war of words, with President Donald Trump warning Pyongyang would "truly regret" any hostile action against the US.
But let's take a step back for a moment: Where is Guam, and why is it in North Korea's crosshairs?
Asked if the USA was going to war, he said cryptically, "I think you know the answer to that".
U.S. president Donald Trump assured Mr Calvo that Guam was safe, during a phone call.
Washington has previously said it will consider talks with Pyongyang if it agrees to give up its nuclear weapons program, a pre-condition North Korean officials have described as a non-starter.
That same year, Congress passed the Organic Act of Guam, giving Guamanians American citizenship.
"There's a lot of disbelief going on, there's a lot of anxiety", Father Paul Gofigan told CNN after the mass.
"Faith is so deeply rooted into our culture", he said.
Here's a look at the US military's role on the island, which became a USA territory in 1898. We live on a small island.
A drumbeat of threats by North Korea over the years has fostered a sense of resilience among the island's 162,000 inhabitants, whose lives are deeply intertwined with the United States military, which has 6,000 troops based there. President William McKinley ordered Guam to be ruled by the U.S. Navy. Chamorros are the indigenous people of Guam. Regardless of who was in the White House, he said, diplomacy failed.
"You're playing with people's lives".
"While we have heard threats like this in the past, I take them very seriously and continue to engage with our DOD partners to ensure that Guam and our people remain safe", she said, adding that Trump's statements "concerning and unhelpful".