BY SHAWN BRIMLEY AND VIKRAM SINGHleven years after the last American soldier left Vietnam, Andrew Krepinevich published “The Army and Vietnam,” a blistering critique of failure to adapt during the war and the subsequent purging of critical lessons learned about counterinsurgency. Then serving as an Army major, he described nothing short of a “system reboot” in which the military “uninstalled” important innovations and reverted to a system focused only on major force-on-force combat.

http://www.armedforcesjournal.com/2007/12/2981245