Perplexed by the Pentagon's decision to decrease its Joint Strike Fighter spare parts purchases as jets continue to roll off the production line, Senate authorizers are clearing an additional $100 million in fiscal year 2019 for the effort. In its FY-19 budget, the Defense Department projected a nearly $547 million reduction in its spending on F-35 spares between FY-20 and FY-22, according to the report accompanying the Senate Armed Services Committee's FY-19 defense policy bill. "While the Department of Defense...