<p><strong>Increasing Response Options and Deterrence of Missile Engagements Act of 2025 or the IRONDOME Act of 2025</strong></p><p>This bill requires the Department of Defense (DOD) and other entities to take specified actions to support U.S. missile defense capabilities, particularly with respect to the U.S. homeland.</p><p>DOD must submit to Congress a multi-year phased plan to transfer operations and&nbsp;sustainment responsibility for missile defense from the Missile Defense Agency to the appropriate military departments to allow the Missile Defense Agency to focus on research, development, and prototyping and testing.</p><p>Additionally, among other elements, the bill requires</p><ul><li>the United States Northern Command and the Space Development Agency within DOD to use a specified acquisition process to conduct rapid testing and development of&nbsp;certain drone and satellite systems;</li><li>each commander of a combatant command to include the missile defense interceptor and sensor requirements of the command in annual budget requests;</li><li>DOD to use all authorities available to accelerate the development, production, and modernization of various defense systems and technology, including certain space-based interceptors; and</li><li>the Department of the Army to procure and field airships in support of the missile defense of the U.S. homeland from drones and&nbsp;ballistic, hypersonic, and cruise missiles.</li></ul><p>On January 27, 2025, President Trump signed an executive order titled&nbsp;<em>The Iron Dome for America. </em>The order directs DOD to develop plans for a next-generation missile defense shield to protect the U.S. homeland from ballistic, hypersonic, and advanced cruise missiles, and other next-generation aerial attacks.&nbsp;</p>