security across the nation is ramping up this morning. officials are boosting police presence at firework shows and landmarks. concerns are much higher this year with terrorist networks taking to social media to urge supporters to carry out attacks. the terror warning is extending overseas. a british air base used by american airmen canceled its fourth of july celebrations given rising threats and the state department is ordering all diplomatic posts to review their security. to talk more about this, let's bring in cnn military analyst lieutenant general mart hurt ling. good morning. >> how do you go ahead and assess security when it comes to these bases and it it comes to these diplomatic posts? >> well, the cancellation of the event at the raf were