The Senate Armed Services Committee is calling on the Navy to produce a report addressing the Columbia-class submarine program's schedule. According to the report accompanying the panel's fiscal year 2020 defense policy bill, the Navy secretary has until Dec. 1, 2019 to present lawmakers with a document detailing how a late delivery of the lead vessel would affect the program. "The report shall include a description of the: (1) Current schedule margin and critical path(s) for the lead ship in...