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Israeli Prime Minister Benjamin Netanyahu points to a diagram of a nuclear bomb during a United Nations General Assembly meeting on September 27, 2012 in New York.
(Photo by Don Emmert/AFP via Getty Images)
House Democrats Urge US State Dept to End Silence About Israel’s Nuclear Weapons
"Washington’s silence on the program is indefensible amid the war in Iran and the acute threat of military escalation, they argue. And they are right," said one arms control expert.
May 05, 2026
More than two dozen Democratic lawmakers in the US House of Representatives are urging the Trump administration to break its official silence on Israel's nuclear weapons program, whose existence is almost universally acknowledged even as its origins and status remain shrouded in secrecy.
In a letter to US Secretary of State Marco Rubio on Monday, the group of House Democrats led by Rep. Joaquin Castro of Texas wrote that "Congress has a constitutional responsibility to be fully informed about the nuclear balance in the Middle East, the risk of escalation by any party to this conflict, and the administration's planning and contingencies for such scenarios," particularly as it wages war on Iran in partnership with the Israeli government.
"The risks of miscalculation, escalation, and nuclear use in this environment are not theoretical," the lawmakers wrote. "A policy of official ambiguity about the nuclear capabilities of one party to this conflict makes coherent nonproliferation policy in the Middle East impossible, for Iran, for Saudi Arabia, and for every other state in the region making decisions based on their perceptions of the capabilities of their neighbors."
The House Democrats pressed Rubio to provide detailed information the US possesses about Israel's nuclear weapons program, including the country's current fissile material capability, nuclear doctrine, and "any indications of Israel planning to use or deploy nuclear weapons during the recent Iran conflict or during other conflicts."
Israeli leaders have for decades maintained a posture of deliberate ambiguity regarding their country's nuclear weapons capacity, even as some officials have at times tacitly acknowledged the nation's nukes—including by suggesting they could be dropped on Gaza—and falsely claimed that Iran was on the verge of creating a nuclear weapon.
Israel is believed to have begun producing nuclear weapons in the 1960s, helped in part by uranium that US intelligence agencies suspected was obtained from a factory in the United States.
Analysts estimate that Israel currently has between 90 and 300 nuclear warheads, according to the Stockholm International Peace Research Institute (SIPRI).
"The United States’ indulgence of Israeli nuclear weapons has not escaped international attention, and the evident hypocrisy has undermined US nonproliferation policy," Victor Gilinsky, a former commissioner of the US Nuclear Regulatory Commission, and Leonard Weiss, a visiting scholar at Stanford University’s Center for International Security and Cooperation, wrote in a March op-ed for the Bulletin of the Atomic Scientists.
"The US government’s public position continues to be that it does not know anything about Israeli nuclear weapons, and this will apparently continue until Israel releases the United States’ gag," Gilinsky and Weiss continued. "This policy is allegedly enforced by a secret federal bulletin that threatens disciplinary actions for any US official who publicly acknowledges Israel’s nuclear weapons."
Experts and anti-war campaigners applauded the group of House Democrats for demanding an end to the US government's official silence on Israel's nuclear weapons program.
"Washington’s silence on the program is indefensible amid the war in Iran and the acute threat of military escalation, they argue. And they are right," said Daryl Kimball, director of the Arms Control Association.
The advocacy group Win Without War thanked Castro and his colleagues for "breaking DC’s 'taboo' over the Israeli government's nuclear weapons—especially concerning as US and Israeli leaders wage a disastrous war of choice in the Middle East."
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More than two dozen Democratic lawmakers in the US House of Representatives are urging the Trump administration to break its official silence on Israel's nuclear weapons program, whose existence is almost universally acknowledged even as its origins and status remain shrouded in secrecy.
In a letter to US Secretary of State Marco Rubio on Monday, the group of House Democrats led by Rep. Joaquin Castro of Texas wrote that "Congress has a constitutional responsibility to be fully informed about the nuclear balance in the Middle East, the risk of escalation by any party to this conflict, and the administration's planning and contingencies for such scenarios," particularly as it wages war on Iran in partnership with the Israeli government.
"The risks of miscalculation, escalation, and nuclear use in this environment are not theoretical," the lawmakers wrote. "A policy of official ambiguity about the nuclear capabilities of one party to this conflict makes coherent nonproliferation policy in the Middle East impossible, for Iran, for Saudi Arabia, and for every other state in the region making decisions based on their perceptions of the capabilities of their neighbors."
The House Democrats pressed Rubio to provide detailed information the US possesses about Israel's nuclear weapons program, including the country's current fissile material capability, nuclear doctrine, and "any indications of Israel planning to use or deploy nuclear weapons during the recent Iran conflict or during other conflicts."
Israeli leaders have for decades maintained a posture of deliberate ambiguity regarding their country's nuclear weapons capacity, even as some officials have at times tacitly acknowledged the nation's nukes—including by suggesting they could be dropped on Gaza—and falsely claimed that Iran was on the verge of creating a nuclear weapon.
Israel is believed to have begun producing nuclear weapons in the 1960s, helped in part by uranium that US intelligence agencies suspected was obtained from a factory in the United States.
Analysts estimate that Israel currently has between 90 and 300 nuclear warheads, according to the Stockholm International Peace Research Institute (SIPRI).
"The United States’ indulgence of Israeli nuclear weapons has not escaped international attention, and the evident hypocrisy has undermined US nonproliferation policy," Victor Gilinsky, a former commissioner of the US Nuclear Regulatory Commission, and Leonard Weiss, a visiting scholar at Stanford University’s Center for International Security and Cooperation, wrote in a March op-ed for the Bulletin of the Atomic Scientists.
"The US government’s public position continues to be that it does not know anything about Israeli nuclear weapons, and this will apparently continue until Israel releases the United States’ gag," Gilinsky and Weiss continued. "This policy is allegedly enforced by a secret federal bulletin that threatens disciplinary actions for any US official who publicly acknowledges Israel’s nuclear weapons."
Experts and anti-war campaigners applauded the group of House Democrats for demanding an end to the US government's official silence on Israel's nuclear weapons program.
"Washington’s silence on the program is indefensible amid the war in Iran and the acute threat of military escalation, they argue. And they are right," said Daryl Kimball, director of the Arms Control Association.
The advocacy group Win Without War thanked Castro and his colleagues for "breaking DC’s 'taboo' over the Israeli government's nuclear weapons—especially concerning as US and Israeli leaders wage a disastrous war of choice in the Middle East."
More than two dozen Democratic lawmakers in the US House of Representatives are urging the Trump administration to break its official silence on Israel's nuclear weapons program, whose existence is almost universally acknowledged even as its origins and status remain shrouded in secrecy.
In a letter to US Secretary of State Marco Rubio on Monday, the group of House Democrats led by Rep. Joaquin Castro of Texas wrote that "Congress has a constitutional responsibility to be fully informed about the nuclear balance in the Middle East, the risk of escalation by any party to this conflict, and the administration's planning and contingencies for such scenarios," particularly as it wages war on Iran in partnership with the Israeli government.
"The risks of miscalculation, escalation, and nuclear use in this environment are not theoretical," the lawmakers wrote. "A policy of official ambiguity about the nuclear capabilities of one party to this conflict makes coherent nonproliferation policy in the Middle East impossible, for Iran, for Saudi Arabia, and for every other state in the region making decisions based on their perceptions of the capabilities of their neighbors."
The House Democrats pressed Rubio to provide detailed information the US possesses about Israel's nuclear weapons program, including the country's current fissile material capability, nuclear doctrine, and "any indications of Israel planning to use or deploy nuclear weapons during the recent Iran conflict or during other conflicts."
Israeli leaders have for decades maintained a posture of deliberate ambiguity regarding their country's nuclear weapons capacity, even as some officials have at times tacitly acknowledged the nation's nukes—including by suggesting they could be dropped on Gaza—and falsely claimed that Iran was on the verge of creating a nuclear weapon.
Israel is believed to have begun producing nuclear weapons in the 1960s, helped in part by uranium that US intelligence agencies suspected was obtained from a factory in the United States.
Analysts estimate that Israel currently has between 90 and 300 nuclear warheads, according to the Stockholm International Peace Research Institute (SIPRI).
"The United States’ indulgence of Israeli nuclear weapons has not escaped international attention, and the evident hypocrisy has undermined US nonproliferation policy," Victor Gilinsky, a former commissioner of the US Nuclear Regulatory Commission, and Leonard Weiss, a visiting scholar at Stanford University’s Center for International Security and Cooperation, wrote in a March op-ed for the Bulletin of the Atomic Scientists.
"The US government’s public position continues to be that it does not know anything about Israeli nuclear weapons, and this will apparently continue until Israel releases the United States’ gag," Gilinsky and Weiss continued. "This policy is allegedly enforced by a secret federal bulletin that threatens disciplinary actions for any US official who publicly acknowledges Israel’s nuclear weapons."
Experts and anti-war campaigners applauded the group of House Democrats for demanding an end to the US government's official silence on Israel's nuclear weapons program.
"Washington’s silence on the program is indefensible amid the war in Iran and the acute threat of military escalation, they argue. And they are right," said Daryl Kimball, director of the Arms Control Association.
The advocacy group Win Without War thanked Castro and his colleagues for "breaking DC’s 'taboo' over the Israeli government's nuclear weapons—especially concerning as US and Israeli leaders wage a disastrous war of choice in the Middle East."
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