• Iran's chief negotiator says the country will no longer limit itself to 'proportionate responses'.
• Future retaliation will be 'faster, heavier and more painful'.
• US struck three Iranian oil tankers following Iranian ballistic missile attacks.
• Iran claims to have struck an unmanned US military vessel.

Iran's declaration may indicate a shift in its conflict strategy, suggesting a willingness to escalate tensions with the US. This could lead to increased instability in the region, which may have significant implications for global security and the aerospace industry, as it could impact the deployment of military assets and the development of defense systems.