This fenced in area is a missile silo controlled by Malmstrom Air Force Base.

这个设有围栏的区域是由马姆斯特罗姆空军基地控制的导弹发射井。

At the time, Malmstrom had 150 nuclear missile launch structures called silos.

当时，马姆斯特罗姆空军基地拥有150个被称为发射井的核导弹发射结构。

Fast forward to 1980 at a Strategic Air Command silo near Damascus, Arkansas.

快进到 1980 年， 阿大马士革附近的战略空军司令部发射井。

We've got 1500 warheads across our  silos, bombers, and submarines.

我们的发射井、轰炸机和潜艇上分布着 1500 枚弹头。

Lately we've been talking about converting it into a missile silo.

最近我们在考虑 把它改造成导弹发射井。

Yeah, we're headed there next. What about the silo?

我们下一站就去那儿 导弹发射井呢？

They secured the silo, but everyone was gone.

他们控制了发射井 但那些人都走了。

We're driving on the Fort Berthold reservation to look for nuclear missile silos.

我们正驱车前往贝特霍尔德堡保留地寻找核导弹发射井。

There are strategic bombers and nuclear missile silos.

有战略轰炸机和核导弹发射井。

So, how about we talk about that silo?

不如我们说说发射井的事？

The heavily armed 49th Missile Defense Battalion secures 38 missile silos, dotting a landscape frigid even in late summer.

全副武装的 49 导弹防御营保护着 38 个导弹发射井，即使在夏末也点缀着寒冷的风景。

Our silo launch sequence takes 5 minutes.

我们的发射井发射序列需要 5 分钟。

There were 15 nuclear missile silos within those boundaries.

这些边界内有 15 个核导弹发射井。

Our team had surveyed at least three nuclear missile silos.

韦伯：我们的团队调查了至少三个核导弹发射井。

While they're submerged they're  undetectable, so that's our back-up for a nuclear retaliation if we lose our silos and bombers.

当它们被淹没时，它们是无法被发现的，所以如果我们失去发射井和轰炸机，这就是我们进行核报复的后备力量。

Basically, that means U.S. adversaries are probably targeting the 150 silos armed with nuclear missiles that are located in North Dakota.

韦伯：基本上，这意味着美国的对手可能会瞄准位于北达科他的 150 个配备核导弹的发射井。

I had also asked her if getting rid of 15 silos on the reservation would make the U.S. less secure.

我还问她，取消保留地上的 15 个发射井是否会降低美国的安全性。

But from overhead imagery of silos being built across China, we know that China is engaged in the largest nuclear weapons build-up in history.

但从中国各地正在建造的发射井的俯视图像来看，我们知道中国正在进行历史上最大规模的核武器集结。

And I have a feeling that keeping ICBM silos operating across our land may not be part of our preferred strategy.

我有一种感觉，让洲际弹道导弹发射井在我们的土地上保持运行可能不是我们首选战略的一部分。

If you listened to the previous episode, you'll know that there are 15 nuclear missile silos on the reservation itself.

韦伯：如果你听过上一集，你就会知道保留地上有 15 个核导弹发射井。