(Editor's Note: This story has been corrected to reflect Senate authorizers' actions on funding CVN-81 and Virginia-class submarines.) Two major House Armed Services Committee initiatives for fast-attack submarines and aircraft carriers are absent in the House Appropriations defense subcommittee's mark-up of the fiscal year 2019 military spending bill. The initiatives focus on potential block-buy savings for the unnamed aircraft carrier CVN-81 and advanced procurement funds for an additional Virginia-class submarine in both FY-22 and FY-23. The split between authorizers...