What national security concerns have been raised by recent FAA employee terminations?

Recent FAA terminations included employees working on critical national defense systems, notably an early warning radar system in Hawaii designed to detect incoming cruise missiles. This program, partly funded by the Department of Defense, is one component of the FAA's National Airspace System defense programs. Terminated employees have expressed serious concerns, with one telling the AP they're 'scared to death' about the security implications, adding that 'the American public should be scared, too.' They questioned whether administration officials fully understood the importance of their work, suggesting decision-makers may not have comprehended the national security functions these programs serve.