While intruders routinely breach the security fences protecting runways and planes at U.S. airports, the federal Transportation Security Administration is not keeping up with the threat or doing enough to help airports identify their vulnerabilities, according to a government report released Tuesday. Congress asked the U.S. Government Accountability Office to investigate how often people get past airport perimeter security, and whether the TSA could do more to help airports anticipate and prevent incidents. Using TSA data, the accountability office identified over 2,500 security incidents in each of the past three years at the nation's roughly 440 commercial airports.Read more on NewsOK.com