Republican lawmakers are proposing a $19.5 billion down payment in fiscal year 2026 on a new domestic air defense capability that would mark a massive expansion of national missile defense capabilities, including a sweeping new array of radars, increased guided interceptor inventory and explore new capabilities such as autonomous agents to intercept missiles. On Feb. 5, Sens. Dan Sullivan (R-AK) and Kevin Cramer (R-ND) introduced legislation with the acrostic title "Increasing Response Options and Deterrence of Missile Engagements Act of...