The Defense Department’s new Missile Defense Review asserts modern air and missile threats pose “an expanding and accelerating risk” to the nation, its deployed forces, allies and partners -- and requires a special focus on sensor technology development to detect low-flying drones and hypersonic maneuvering weapons. The 12-page document is the unclassified version of a document guiding the Pentagon’s $24.7 billion request for missile defense and defeat investments in fiscal year 2023 and in many instances reiterates long-standing policy. U.S...