The Senate Armed Services Committee wants to add $1.2 billion to the Defense Department's planned research and development funding in fiscal year 2019, as the panel's new legislation seeks to shore up DOD efforts in key technology areas like hypersonics and space constellations. The committee's fiscal year 2019 defense policy bill would add $150 million to DOD hypersonics programs, $110 million to space constellation efforts, $50 million to rocket propulsion projects, $40 million to directed-energy efforts, $20 million to quantum...