
This timeline tracks the rapid escalation of tensions between the United States and Iran during mid-February 2026, as diplomatic nuclear negotiations ran parallel to aggressive military posturing by both sides. The story reveals how indirect talks in Geneva evolved into a high-stakes standoff featuring naval deployments, joint military exercises, and threats of armed conflict.
12 events · 1 days · 30 source articles
The United States and Iran conducted their second round of indirect negotiations on nuclear issues in Geneva, mediated by Oman. During these talks, Iran agreed to submit a written proposal outlining how to resolve the standoff with Washington. The negotiations took place as both nations sought to bridge significant differences over Iran's nuclear program.
Senior US national security advisors met in the White House Situation Room to discuss Iran policy. Officials announced that all US military forces deploying to the Middle East, including a second aircraft carrier battle group, should be fully in place by mid-March. The White House warned Iran it would be best to reach a deal with the Trump administration.
Iran launched military exercises involving live-fire in the Strait of Hormuz, the narrow Persian Gulf passage through which one-fifth of the world's traded oil flows. The drills represented a show of force amid ongoing nuclear negotiations and served as a warning to the United States about Iran's ability to disrupt critical energy shipping routes.
President Donald Trump issued a warning on Truth Social suggesting the US might launch military strikes against Iran. He specifically mentioned potentially using the Diego Garcia air base in the Indian Ocean to 'eliminate a highly unstable and dangerous regime,' referencing concerns about British sovereignty over the Chagos Islands. The post escalated tensions significantly.
American officials confirmed they were waiting for Iran to submit a written proposal on resolving the bilateral standoff, as agreed during the Geneva talks. A senior US official told Reuters that Iran had committed to providing specific details on how to address American concerns about its nuclear program.
Russian Energy Minister Sergei Tsivilev announced in Tehran that Russia and Iran were seriously exploring construction of new nuclear power plant units. Russia confirmed it was continuing work on the second and third units of the Bushehr nuclear power plant and discussing additional facilities. This deepening cooperation occurred as Iran faced pressure from Washington over its nuclear program.
Iran and Russia conducted joint military exercises in the Indian Ocean, demonstrating growing military coordination between the two nations. The timing of the drills, coming just days after Iran's Strait of Hormuz exercises and during nuclear negotiations with the US, underscored the complex geopolitical maneuvering taking place.
The USS Gerald R. Ford aircraft carrier reached the mouth of the Mediterranean Sea, moving closer to the Middle East as part of increased US military presence in the region. The deployment of this second carrier strike group represented a significant escalation of American military readiness and gave President Trump expanded options for potential military action against Iran.
Axios reported, citing sources, that any US military action against Iran would likely be a weeks-long, large-scale operation conducted jointly with Israel. The potential operation would reportedly be significantly larger than the 'Twelve-Day War' of June 2025 and would pose an existential threat to Iran, with profound regional implications.
Russia called for continued diplomatic dialogue on the Iran nuclear issue and dismissed threats of military action. Moscow's intervention highlighted the international dimensions of the crisis and the potential for broader geopolitical complications if tensions escalated to armed conflict.
US Secretary of State Marco Rubio is scheduled to visit Israel to meet with Prime Minister Benjamin Netanyahu specifically to discuss Iran. The planned meeting indicates ongoing coordination between Washington and Tel Aviv on potential responses to Iran's nuclear program and suggests joint planning for possible military contingencies.
Mid-March represents the deadline by which all US military forces ordered to the Middle East should be fully deployed and operational. This includes the complete arrival and readiness of the second aircraft carrier battle group, giving US military commanders maximum flexibility for potential operations against Iran.