The Missile Defense Agency, which has declined to publicly reveal its near-term acquisition plan for the Hypersonic and Ballistic Space Tracking Sensor program, wants to add an additional six satellites by 2025 -- raising the total number in orbit to 10 and after that proceed to a production decision. The Government Accountability Office pulled back the curtain on MDA’s design for HBTSS advanced last October -- but not codified in the fiscal year 2023 budget -- a gambit that would...