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。

We live with the illusion that nuclear weapons are safely secured away, all in underground missile silos in South Dakota and Montana and Wyoming.

我们总是有一种错觉，即核武器是经过安全存储的，离我们很遥远。比如，它们一般会被存储在南达科塔、蒙大纳和怀俄明州的地下导弹仓内。

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。

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

全副武装的第 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。

Nuclear warheads in the United States live  here: in the 450-or-so missile silos in Montana, Wyoming, Colorado, Nebraska, and North Dakota, with a few spread out in other states.

美国的核弹头就在这里：在蒙大拿州、怀俄明州、科罗拉多州、内布拉斯加州和北达科他州的450个左右的导弹发射井中，还有一些散布在其他州。