The Navy plans to use rapid prototyping authorities to develop its submarine-launched hypersonic strike weapon through the Conventional Prompt Strike program, a Senate panel revealed last week. The Senate Appropriations Committee in a report accompanying its version of the fiscal year 2020 defense spending bill said the Navy's acquisition executive approved using Section 804 rules as the CPS program's acquisition strategy, a detail not included in the service's latest budget justification documents. The service is requesting $593 million in FY-20...