A new report says that nearly 10 years after terrorists attacked the United States on September 11, 2001, the country is still not as safe and secure as it should be.

A report card, released Wednesday by the former chairs of the commission charged with investigating the attacks, said that although significant improvements have been made over the past decade, gaps still remain in the country's security.

Former 9/11 Commission co-chair Tom Kean tells The Wall Street Journal that, in some cases, the gaps are “glaring.”

Specifically, the report card says the country's airports remain “highly vulnerable” and calls for improvements in the detection of explosive devices. It also says the country needs to do more to facilitate communication among different emergency response agencies.

The report raises additional concerns about intelligence gathering, terrorist detention policies and the protection of civil liberties. It expresses concern about cyber security, and says there is a pattern of increasing terrorist recruitment in the U.S. of individuals who act alone, or so-called “lone wolves.”

It does note however that there have been improvements with the screening of airline passengers and the sharing of information among government agencies.

White House spokesman Jay Carney said Wednesday the report card notes several successes, and that the administration is constantly looking for ways to improve security and safety. He says the United States remains intent on taking the fight to al-Qaida and other terrorists who threaten the United States.