When Wellington is reading pages of speech he finds on John Zaberi's desk, one of the pages has the speech Hayes reads later on saying Jalal shot down helicopter. However, Zaberi has yet to see video from Claudette of Jalal telling this to Taliban.
After Haqqani has been shot the first time by the execution squad the camera view shift as the soldiers reload their guns. Haqqani can then be seen standing again but without any holes visible in his shirt from the first bullets that struck him.
The (US) helicopter come to collect Max and Carrie is registered in Morocco (CN). This can be seen in certain scenes where it has not been digitally removed. In addition the insignia on the helicopter is a red circle with green border, which is the Moroccan air force insignia (with coat of arms removed). This reveals the series is actually filmed in Morocco.
Before Haqqani is executed the bullet squibs are visible on the front of his garment.