Officials in Rock Hill, S.C., are blasting the proposed Large Aircraft Security Program as an unnecessary expense that will further damage the local airport just as traffic is dropping 10% to 15% due to the recession. The law would impose new security costs on the Rock Hill/York County Airport, which sees about 43,000 flight operations each year. "They haven't shown what the problem is," City Manager Carey Smith says. "You've come up with an answer before you've defined the problem. And it's an expensive answer."