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On a slight incline, behind the Nagasaki Museum of History and Culture, sits a small unassuming sign that leads to the Tateyama Air-raid Shelter.

On a slight incline, behind the Nagasaki Museum of History and Culture, sits a small unassuming sign that leads to the Tateyama Air-raid Shelter. (Matthew M. Burke/Stars and Stripes)

On a slight incline, behind the Nagasaki Museum of History and Culture, sits a small unassuming sign that leads to the Tateyama Air-raid Shelter.

On a slight incline, behind the Nagasaki Museum of History and Culture, sits a small unassuming sign that leads to the Tateyama Air-raid Shelter. (Matthew M. Burke/Stars and Stripes)

There is little fanfare or advertisement surrounding the simple entrance to one of the historically important yet largely forgotten sites, the Tateyama Air-raid Shelter in Nagasaki, Japan. The shelter protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945.

There is little fanfare or advertisement surrounding the simple entrance to one of the historically important yet largely forgotten sites, the Tateyama Air-raid Shelter in Nagasaki, Japan. The shelter protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945. (Matthew M. Burke/Stars and Stripes)

Inside the shelter, there are several display cases that show actual artifacts, circa 1945, that were excavated later from the site. Here, is the rotting wood from inside one of the shelter's concrete walls. The Tateyama Air-raid Shelter protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945.

Inside the shelter, there are several display cases that show actual artifacts, circa 1945, that were excavated later from the site. Here, is the rotting wood from inside one of the shelter's concrete walls. The Tateyama Air-raid Shelter protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945. (Matthew M. Burke/Stars and Stripes)

 Inside the Tateyama Air-raid Shelter in Nagasaki, Japan.

Inside the Tateyama Air-raid Shelter in Nagasaki, Japan. (Matthew M. Burke/Stars and Stripes)

A pipe, circa 1945, rusted by time and neglect, can be seen in the Tateyama Air-raid Shelter.

A pipe, circa 1945, rusted by time and neglect, can be seen in the Tateyama Air-raid Shelter. (Matthew M. Burke/Stars and Stripes)

A portion of the Tateyama Air-raid Shelter was never fully excavated and is off limits due to the dangerous conditions.

A portion of the Tateyama Air-raid Shelter was never fully excavated and is off limits due to the dangerous conditions. (Matthew M. Burke/Stars and Stripes)

Next to the police station in the Tateyama Air-raid Shelter is a conference room where the politicians of the day met in 1945.

Next to the police station in the Tateyama Air-raid Shelter is a conference room where the politicians of the day met in 1945. (Matthew M. Burke/Stars and Stripes)

In one of the air-raid shelters's hallways is a rusted ladder and a tube that leads through darkness to the surface for air.

In one of the air-raid shelters's hallways is a rusted ladder and a tube that leads through darkness to the surface for air. (Matthew M. Burke/Stars and Stripes)

Next to the conference room in the Tateyama Air-raid Shelter is a communications room which was heavily staffed by those receiving and sending messages towards the end of the war.

Next to the conference room in the Tateyama Air-raid Shelter is a communications room which was heavily staffed by those receiving and sending messages towards the end of the war. (Matthew M. Burke/Stars and Stripes)

In a display case in one of the Tateyama Air-raid Shelter's empty rooms, lies the doorknob to Nagasaki prefecture Gov. Wakamatsu Nagano's shelter office, which was unearthed many years later.

In a display case in one of the Tateyama Air-raid Shelter's empty rooms, lies the doorknob to Nagasaki prefecture Gov. Wakamatsu Nagano's shelter office, which was unearthed many years later. (Matthew M. Burke/Stars and Stripes)

In a display case in one of the Tateyama Air-raid Shelter's empty rooms, lies the pieces of one of the phones used to call for help after the atomic bomb was dropped on Nagasaki by the U.S. on Aug. 9, 1945. The artifacts were unearthed many years later.

In a display case in one of the Tateyama Air-raid Shelter's empty rooms, lies the pieces of one of the phones used to call for help after the atomic bomb was dropped on Nagasaki by the U.S. on Aug. 9, 1945. The artifacts were unearthed many years later. (Matthew M. Burke/Stars and Stripes)

In a display case in one of the Tateyama Air-raid Shelter's empty rooms, lies the battered batteries that powered phones used to call for help after the atomic bomb was dropped on Nagasaki by the U.S. on Aug. 9, 1945. The artifacts were unearthed many years later. The shelter is one of Nagasaki's most historically significant, yet largely forgotten sites, and protected important Japanese officials as the atomic bomb devastated the city around them that fateful day. It was from this shelter that initial relief efforts were coordinated and updates were sent to Tokyo.

In a display case in one of the Tateyama Air-raid Shelter's empty rooms, lies the battered batteries that powered phones used to call for help after the atomic bomb was dropped on Nagasaki by the U.S. on Aug. 9, 1945. The artifacts were unearthed many years later. The shelter is one of Nagasaki's most historically significant, yet largely forgotten sites, and protected important Japanese officials as the atomic bomb devastated the city around them that fateful day. It was from this shelter that initial relief efforts were coordinated and updates were sent to Tokyo. (Matthew M. Burke/Stars and Stripes)

A dark and desolate corridor in the Tateyama Air-raid Shelter and a bashed in door. The shelter is one of Nagasaki's most historically significant, yet largely forgotten, sites and protected important Japanese officials as the atomic bomb devastated the city around them on Aug. 9, 1945. It was from this shelter that initial relief efforts were coordinated and updates were sent to Tokyo.

A dark and desolate corridor in the Tateyama Air-raid Shelter and a bashed in door. The shelter is one of Nagasaki's most historically significant, yet largely forgotten, sites and protected important Japanese officials as the atomic bomb devastated the city around them on Aug. 9, 1945. It was from this shelter that initial relief efforts were coordinated and updates were sent to Tokyo. (Matthew M. Burke/Stars and Stripes)

Away from the VIP's in Tateyama Air-raid Shelter is a large room that housed the women workers of the shelter. The shelter is one of Nagasaki's most historically significant, yet largely forgotten sites, and protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945. It was from this shelter that updates were sent to Tokyo.

Away from the VIP's in Tateyama Air-raid Shelter is a large room that housed the women workers of the shelter. The shelter is one of Nagasaki's most historically significant, yet largely forgotten sites, and protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945. It was from this shelter that updates were sent to Tokyo. (Matthew M. Burke/Stars and Stripes)

Next to the Tateyama Air-raid Shelter's open entrance, sits one that was blocked with rock and cement, in an effort to keep people out. The shelter protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945.

Next to the Tateyama Air-raid Shelter's open entrance, sits one that was blocked with rock and cement, in an effort to keep people out. The shelter protected Nagasaki prefecture Gov. Wakamatsu Nagano and other important officials as the atomic bomb devastated the city around them on Aug. 9, 1945. (Matthew M. Burke/Stars and Stripes)

"If these walls could talk, what would they say?" I thought as I touched the cold, hard concrete on a brisk, gray December morning. "What horrors would they speak of?"

I pictured the panic and confusion they surely witnessed, the cries for help that must have reverberated against the walls.

In many ways, these walls are unchanged, forgotten by time. And that is what made visiting Tateyama Air-raid Shelter in Nagasaki, Japan, so riveting.

On the morning of Aug. 9, 1945, Nagasaki prefectural Gov. Wakamatsu Nagano convened a special meeting in the shelter to discuss a "new bomb" that had devastated Hiroshima. Testimony from those within would later indicate that Nagano had a feeling that Nagasaki would be next, despite knowing very little about this new weapon. Some even reported that he called the meeting to discuss the evacuation of civilians from the city. If that is true, he never got the chance.

Nagano finished his introduction, and at 11:02 a.m., the lights in the shelter went out.

Thinking it was a power outage, some of the government officials in the shelter went to get candles. Next, they heard a loud explosion outside, and a blast of light entered through a broken door to the shelter sending papers flying.

The second atomic bomb had indeed struck Nagasaki.

The Tateyama Air-raid Shelter was built in 1945, according to Nagasaki police archives. The chief of police at the time approached Nagano’s predecessor in January and stressed the need to strengthen their air-defense system. He suggested they build an underground defense headquarters and a communication office modeled after the defense headquarters of China’s Chiang Kai-shek.

Construction began immediately on the shelter, built to house about 80 high-ranking government officials and low-level workers.

Immediately after the bomb fell, officials who ran outside saw a towering cloud of black smoke rising in the sky from Urakami, a district in the center of Nagasaki. The sky turned gray.

Buildings around the shelter — some two miles from ground zero — were largely intact.

At first, officials thought the destruction was minimal, and there were few, if any, deaths.

According to the Nagasaki Atomic Bomb Museum, a wireless transmission technician went outside the shelter and saw the first signs of trouble. He witnessed a member of air-defense surveillance sliding down a utility pole, his body burnt. He crawled to him for help. The technician helped him inside. No one knew where the bomb had struck. Contradictory reports from police began to trickle in.

"We gradually became aware of the situation," Nagano later testified, according to the Nagasaki Prefecture Police History.

They coordinated relief efforts from within the walls of the shelter, Nagasaki officials said.

The next morning, Nagano reportedly toured the devastation.

The war would soon be over.

Approximately 80,000 people were killed in the bomb’s aftermath in Nagasaki. Many more would die in the following months and years.

Today, the shelter sits alone in a small, serene park, three doors carved into an unassuming hill, behind the Nagasaki Museum of History and Culture, with only a small black sign and map to let people know the history within.

Inside, it is eerie, stark, dank, cold. It feels as if it were abandoned yesterday.

Several corridors and passageways are blocked off for fear of a collapse, yet their doors still hang on their rusted hinges. Some of the tunnels are filled with debris. Rusted outlet boxes and ventilation pipes are still attached to the walls.

According to Hitomi Shiraishi of the Nagasaki Atomic Bomb Museum, the Tateyama shelter was abandoned after the war and due to its highly classified nature, few documents related to it still exist. Nagasaki city inspected the shelter on the 50th anniversary of the bombing, Shiraishi said, and designated it a surviving atomic bomb building.

Before it was opened in November, some of the walls had to be reinforced due to safety concerns. Nagasaki city officials hope it will serve as a reminder of the day the bomb fell, the devastation, and the importance of peace.

Despite these hopes for the site, word of the shelter has been slow to get out because of its sensitive nature, according to my Japanese friend and guide, Kizan Takahashi, a lifelong resident of Nagasaki. He said most residents of Nagasaki don’t know it exists.

As he said this, I looked around, inside and out, in disbelief: We were the only two people there.

It made the experience that much more enthralling. It was like taking a time machine back to that fateful day, a day the history of the world was changed forever and hidden in ash.

Stars and Stripes’ Elena Sugiyama contributed to this report.

author picture
Matthew M. Burke has been reporting from Grafenwoehr, Germany, for Stars and Stripes since 2024. The Massachusetts native and UMass Amherst alumnus previously covered Okinawa, Sasebo Naval Base and Marine Corps Air Station Iwakuni, Japan, for the news organization. His work has also appeared in the Boston Globe, Cape Cod Times and other publications.

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