Concerned by data suggesting that rotorcraft losses are increasing, key House lawmakers have concluded U.S. military helicopters are not "as safe or survivable" as they could be and are proposing legislation that would direct the Pentagon to undertake a comprehensive review of recent mishaps to determine what might be done to reduce accidents. The leading cause of death for U.S. troops in Afghanistan is not a roadside bomb. Instead, more troops die in helicopters that are hit by enemy fire,...