The Samson Option is a term referring to Israel's deterrence strategy of massive retaliation with nuclear weapons as a last resort against a country whose military has invaded and/or destroyed much of Israel. This strategy is rooted in the belief that the survival of the nation is paramount and that nuclear weapons are a necessary tool for ensuring its continued existence.  

Here's a more detailed explanation: 

Deterrence through Massive Retaliation: 

The core of the Samson Option is the idea that Israel will respond to a devastating attack with overwhelming force, potentially using nuclear weapons. 

 Last Resort: The use of nuclear weapons is envisioned as a final option, only to be employed if Israel's existence is threatened and all other means of defense have failed.  Historical Context: The concept is linked to the idea of a "never again" mentality after the Holocaust, with the fear of another genocide driving the need for a strong deterrent.  

Seymour Hersh's Book: The term "Samson Option" was popularized by Seymour Hersh's 1991 book, 

"The Samson Option: Israel's Nuclear Arsenal and American Foreign Policy," which explores Israel's nuclear program and its implications.  Deliberate Ambiguity: Israel has historically maintained a policy of "deliberate ambiguity" regarding its nuclear weapons capabilities, neither confirming nor denying their existence. 

French Collaboration: The book also discusses the historical collaboration between France and Israel in developing nuclear technology.  The Samson Option remains a significant element of Israel's national security policy, reflecting its unique geopolitical circumstances and the lessons learned from its history.