neral: Victor Krulak, “A New Kind of War”, in First to Fight: An Inside View of the U.S. Marine Corps (Bluejacket Press, 1984) 179 36 The IED threat: Andrew Smith, “Improvised Explosive Devices in Iraq, 2003-09: A Case of Operational Surprise and Institutional Response” Letort Papers (Carlisle, PA: Army War Col