U.S. Joint Chiefs of Staff Chairman Gen. Martin E. dympsy officials said it is possible to reduce internal attacks on NATO forces in Afghanistan However they can not be completely prevented. He said this in the U.S. capital Washington while addressing in a press conference, General dympsy said that the Western alliance NATO's International Security Assistance Force trying to stop internal attacks. Dympsy said the new officers are being recruited their training is done on the best basis. General dympsy said that services are being received from counter-intelligence agents for prevention of internal attacks on NATO forces in Afghanistan. General dympsy admitted that NATO forces are trying to take the matter internal attacks or such things are impossible to stop completely from Afghan security forces or people dressed in their clothing. He said, "We can certainly dramatic fall in the number of internal attacks but can not stop them”. General dympsy said, "The Taliban knows that what we are doing. They know the Afghan security forces and NATO support forces are the main source would ultimately defeat them.