President Donald Trump issued a blunt warning to Iran, signaling that the United States is prepared to use military force again if Tehran attempts to restart its nuclear program. Speaking in a February 4, 2026 interview, Trump said intelligence reports indicate Iran is seeking to revive nuclear activity following U.S. strikes that he claims obliterated key facilities in 2025.

Trump stated that Iran attempted to return to previously targeted sites but was unable to access them, reinforcing his assertion that the facilities were effectively destroyed. He further revealed that U.S. intelligence uncovered plans by Iran to develop a new nuclear site in another part of the country, prompting a direct threat of consequences should Tehran proceed.

According to Trump, he warned Iranian leaders in explicit terms that any effort to rebuild or expand nuclear enrichment would be met with decisive U.S. action. His remarks underscore a posture of zero tolerance toward nuclear proliferation and reflect a continuation of his long-standing approach of deterrence through strength.

The statement comes amid stalled diplomatic efforts between the United States and Iran, with ongoing talks now reportedly expanding beyond nuclear limits to include ballistic missile development and Iran’s support for regional proxy groups. Despite diplomatic engagement, Trump’s comments signal that military force remains firmly on the table if Iran advances its nuclear ambitions.

Trump also highlighted growing concerns over Iran’s expanding uranium stockpile, framing it as further justification for maintaining pressure. His warning reinforces a broader strategic message that U.S. red lines on nuclear weapons development are non-negotiable and that violations will be met with swift and overwhelming response.

As tensions escalate, Trump’s remarks mark a clear escalation in rhetoric and policy, emphasizing that deterrence, enforcement, and national security remain central pillars of his administration’s approach to Iran.