House lawmakers are proposing a measure to halt funding for development of a submarine-launched hypersonic strike weapon, a move that would upend Navy plans to develop a Conventional Prompt Strike weapon, citing concerns about the potential for miscalculation by adversaries that might mistake the planned new capability for a nuclear-tipped ballistic missile. The House Armed Services strategic forces subcommittee, in its mark of the fiscal year 2020 defense policy bill , includes a non-binding "Sense of Congress"motion stating the Pentagon's...