Congressional appropriators are calling on the Defense Department to craft an integrated overhead persistent infrared architecture strategy due to concerns about overlap among programs managed by the Air Force, Missile Defense Agency and Space Development Agency. In an explanatory statement accompanying appropriators' compromise defense spending legislation for fiscal year 2020, lawmakers claim DOD "lacks consensus" on the architecture solutions needed to meet strategic missile warning, missile defense and battlespace awareness mission areas. "Currently, the Air Force, Missile Defense Agency, Space...