USA07 May, 20262 min read
Thirty U.S. Democrats Demand Marco Rubio Acknowledge Israel’s Undeclared Nuclear Weapons Program
“deliberate erasure that imposed the silence Washington has kept”
“avoided discussing the subject, with Barack Obama responding”
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30 House Democrats urged Secretary Rubio to publicly acknowledge Israel's undeclared nuclear weapons program. They demand ending decades of U.S. policy of nuclear ambiguity toward Israel.
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Democrats demand nuclear clarity
Thirty Democratic members of the U.S. House of Representatives have written to Secretary of State Marco Rubio demanding that Washington publicly acknowledge Israel’s undeclared nuclear weapons program. The letter says the “risks of miscalculation, escalation, and nuclear use in this environment are not theoretical,” and it argues that “Congress has a constitutional responsibility to be fully informed about the nuclear balance in the Middle East.” The push is led by Congressman Joaquin Castro and includes signatories such as Alexandria Ocasio-Cortez, Ro Khanna, Rashida Tlaib, Ilhan Omar and Pramila Jayapal, according to Middle East Eye. The lawmakers also cite a March refusal by the State Department’s top arms control official, Thomas DiNanno, to answer when asked to describe Israel’s nuclear capability, saying: “I can't comment on that specific question.”
Taboo, unanswered questions
The Democrats’ letter frames Washington’s long-standing ambiguity as a barrier to nonproliferation policy, arguing that the U.S. cannot develop “coherent nonproliferation policy for the Middle East” while maintaining “a policy of official silence” about Israel. In the Guardian’s account, the letter says it was unsustainable for Donald Trump to collaborate with Benjamin Netanyahu on a military campaign against Iran without publicly acknowledging Israel’s possession of the bomb. The Guardian also reports that when Castro asked DiNanno to detail Israel’s nuclear capabilities at a congressional hearing in March, DiNanno responded that he could not answer, and the letter argues that the United States “speaks candidly” about other countries’ nuclear weapons programs. Avner Cohen, described by the Guardian as a historian and leading researcher of Israel’s nuclear program, said the letter breaks a taboo maintained for more than half a century, adding: “This is something that people did not dare do before.”
What Rubio must answer
The letter asks Rubio for detailed information about Israel’s nuclear capabilities, including whether Israel has communicated “red lines” for nuclear weapons use in the current conflict, and it demands a full response by May 18, 2026. In the Jerusalem Post’s account, the lawmakers argue that Washington’s silence is unjustifiable in light of the war in Iran and the “growing risk of military escalation,” and they warn that “The dangers of miscalculation, escalation, and use of nuclear weapons in this environment are not theoretical.” The Jerusalem Post also reports that the letter points to concerns that Israel’s threshold for nuclear response may be lower than previously believed, particularly if air defenses are overwhelmed, and it notes that Iranian missiles struck the Dimona and Arad areas near Israel’s main nuclear research facilities last March. The Guardian adds that the lawmakers say continued ambiguity harms U.S. credibility on nonproliferation, while the letter asks that Israel be held to the same standard of transparency the United States expects from other countries.