Lawmakers have moved to excuse the Defense Department from producing an annual report on the U.S. military's long-term aviation plans, rolling back a law that produced rare public insight into how the armed forces envision modernizing and sustaining a fleet of more than 14,000 aircraft decades beyond the published five-year spending forecast that accompanies the Pentagon's annual budget. A provision in the fiscal year 2017 defense authorization conference bill -- approved by the House last week and scheduled for consideration...