(Editor's Note: This story has been updated to include remarks by HII's CEO as well as House Armed Services seapower and projection forces subcommittee Chairman Rob Wittman (R-VA) and Senate Armed Services seapower subcommittee Chairman Roger Wicker (R-MS) .) The Navy is taking the first concrete step toward a two-ship carrier purchase by releasing a request for proposals today to Huntington Ingalls Industries' Newport News Shipbuilding to analyze the potential cost savings. Navy acquisition executive Hondo Geurts told...