U.S. Sen. Jerry Moran sounded an alarm that the ongoing federal government shutdown threatened to break the nation's "fragile" aviation system. Moran, a Kansas Republican who chairs the Senate's subcommittee on aviation, space and innovation, made reference to the Jan. 29 crash of a commercial jet from Wichita that collided with a military helicopter in crowded airspace above Washington, D.C. "Our system is too fragile, and the stakes are too high, for us to continue operating the national aviation system in the manner we are doing so," Moran said.