US President Barrack Hussein Obama said that he has accepted resignation of General Stanely Allen McChrystal and Gen David Petraeus will be the new Commander In-Chief for ISAF (International Seucrity Assistance Force) and US army in Afghanistan. General McChrystal has been serving this post since June 15, 2009. The name of General Petraeus is pending approval before US Senate and British Lieut. General Nick Parker assumed temporary command of the ISAF.