 While in the army, Krepinevich received an M.P.A.and a Ph.D. from Harvard University and published an influential book, "The Army and Vietnam", in which he argued that the United States could have won the Vietnam War had the Army adopted a small-unit pacification strategy in South Vietnam's villages, rather than conducting search and destroy operations in remote jungles.While working for the Office of Net Assessment in 1992, Krepinevich authored "The Military-Technical Revolution