The Senate Armed Services Committee is moving to impose new second-source requirements for solid-rocket motors used in two of the Pentagon's most critical missile programs, leveraging both funding restrictions and phased sourcing mandates to reshape the U.S. munitions industrial base. A provision in the committee’s version of the fiscal year 2027 defense authorization bill would require the Defense Department to certify that at least 40% of solid-rocket motors used in the Patriot Advanced Capability-3 Missile Segment Enhancement program are...