As Operation Moshtarak enters its second week, Americans should take a minute to appreciate just how lucky we are to have the British fighting alongside U.S. and Afghan forces. Their vast experience in imperial counterinsurgency notwithstanding, this marks the third war that the British have fought in the Hindu Kush.

Afghanistan had a profound effect on British military culture. They were defeated on  retreat from Kabul in 1842, a loss so devastating to their collective psyche that it was lamented as “the heaviest calamity that has ever fallen on British arms.” The Second Anglo-Afghan War, which came at the height of the Great Game between England and Russia, slightly improved the British posture in the region (and was the inspiration for The Ballad of the King’s Jest, a terrific Kipling poem).