Ongoing U.S.-Iran negotiations and a series of targeted airstrikes since February 2026, rather than ground operations, underpin the 83.5% implied probability that the United States will not invade Iran before 2027. Diplomatic efforts mediated by Pakistan and others have produced a temporary ceasefire framework and reported progress on nuclear issues, sanctions relief, and Strait of Hormuz access, with U.S. officials emphasizing orderly talks and military objectives focused on degrading capabilities through air and naval measures. Recent limited strikes on drone sites and military targets in May and early June 2026 have remained contained, while congressional action via a war powers resolution signals domestic constraints on escalation. These developments align with historical patterns favoring strikes and diplomacy over large-scale troop commitments.