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每日英語跟讀 Ep.K470: 戰術核子武器是什麼? What makes a nuclear weapon ‘tactical’?

· 每日跟讀單元 Daily English

每日英語跟讀 Ep.K470: What makes a nuclear weapon ‘tactical’?

From the war in Ukraine to North Korea’s recent missile testing spree, tactical nuclear weapons are being debated and developed in a way not seen since the Cold War.

There is no universal definition of such weapons, and analysts note that the use of any type of nuclear device would break the “nuclear taboo” in place since the United States dropped atomic bombs on Japan in 1945, the only time they have been deployed in war.

Here are the characteristics of tactical nuclear weapons and why they have drawn so much attention.

從烏克蘭戰爭到北韓最近狂熱試射飛彈,「戰術核子武器」(戰術核武)正以冷戰以來前所未有的方式進行辯論和發展。 此類武器並無一放諸四海皆準的定義,分析人士指出,使用任何類型的核裝置都將打破自一九四五年美國向日本投下原子彈以來的「核禁忌」,這是核武唯一一次用在戰爭中。



Tactical nuclear weapons are often characterized by their size, their range, or their use for limited military targets.



They are often referred to as “non-strategic weapons,” in contrast with strategic weapons, which the US military defines as designed to target “the enemy’s warmaking capacity and will to make war,” including manufacturing, infrastructure, transportation and communication systems, and other targets.


Tactical weapons, by contrast, are designed to accomplish more limited and immediate military goals that win a battle.

The term is often used to describe weapons with a lower “yield,” or the amount of power released during an explosion.



They are typically many times larger than conventional bombs, cause radioactive fallout and other deadly effects beyond the explosion itself, and there is no agreed upon size that defines tactical weapons.


Tactical weapons are often mounted on as missiles, air-dropped bombs, or even artillery shells that have a relatively short range, far less than the huge intercontinental ballistic missiles (ICBMs) designed to travel thousands of kilometers and strike targets across oceans.

However, many of these delivery systems can also deliver strategic nuclear weapons

戰術武器通常以導彈、空投炸彈甚至砲彈的形式發動,其射程相對較短,遠不及射程數千公里,旨在跨越海洋打擊目標的大型洲際彈道飛彈(ICBM)。 然而,許多這種運載系統也可以運載戰略核武。


President Vladimir Putin, who rules the world’s biggest nuclear power, has repeatedly cautioned the West that any attack on Russia could provoke a nuclear response.



US President Joe Biden said on Wednesday last week he doubted that Putin would use a nuclear weapon, and analysts have said tactical weapons could have limited military use in the vast and dispersed battlefields in Ukraine.


Earlier Biden noted that the use of even small nuclear weapons could spiral out of control.

“I don’t think there’s any such thing as the ability to easily (use) a tactical nuclear weapon and not end up with Armageddon,” he said last week.



North Korea’s pursuit of the weapons, meanwhile, could represent a dangerous change in the way North Korea deploys and plans to use nuclear weapons, analysts say.


It has also prompted renewed debate in South Korea over redeploying American tactical nuclear weapons, which were withdrawn from the peninsula in the 1990s, or pursuing its own nuclear program.


North Korea says its nuclear weapons are for self-defence.


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