The closing of 95 military installations last month was only one step in Defense Secretary Robert McNamara's plan to streamline and modernize the nation's armed forces. Last week the efficiency-minded Secretary took another giant step: he put the ax to one of the Army's most sacred cows, one that is especially beloved by politicians who like to sport stars and eagles on short summer-training tours.
McNamara ordered disbanding of the Army's Organized Reserve, a collection of 19 divisions and 4,000 smaller units with 300,000 officers and men. Roughly half of the Reserve force will be assimilated into the National Guard,...