The U.S. Army is on a heightened state of readiness to respond if Iran decides to take retaliatory action, a senior official said.

This mobilization signals a significant escalation in military posture. The readiness level suggests that the U.S. anticipates a high probability of a kinetic response from Tehran following recent confrontations.

The announcement came on April 30, 2026 [1], when a senior U.S. government and military official spoke to Reuters from Washington. The official said that the military is prepared for various scenarios involving Iranian aggression.

"We are prepared to respond if Iran decides to retaliate," the official said [1].

The U.S. government is currently evaluating its strategic options to deter further escalation. According to the official, senior U.S. military leaders will brief the president on all possible options regarding Iran [1]. This briefing process is intended to align military capabilities with the current diplomatic and security objectives of the administration.

The heightened alert follows a period of increasing friction between the two nations. While specific triggers for the current state of readiness were not detailed in the official's statement, the move reflects a proactive approach to prevent a surprise attack or to ensure a rapid counter-strike capability.

Military officials have not disclosed the exact number of troops or assets moved into position. However, the shift to a heightened state of readiness typically involves increasing the availability of rapid-response forces, and enhancing surveillance across the region.

"Senior U.S. military leaders will brief the President on all possible options regarding Iran," the official said [1].

"We are prepared to respond if Iran decides to retaliate."

The shift to a heightened state of readiness indicates that the U.S. has moved from a monitoring phase to an active deterrence phase. By preparing a suite of 'possible options' for the president, the military is creating a flexible framework that allows for a calibrated response, ranging from limited strikes to larger-scale engagements, depending on the nature of any Iranian retaliation.