MACV describes the evolution of the command during the period of gradual expansion of the American effort in South Vietnam. From its establishment in 1962 as a small, temporary organization to administer an assistance program, the Military Assistance Command, Vietnam, grew by late 1967 into a large, permanent headquarters that directed more than half a million American soldiers, sailors, airmen, and marines in a wide range of combat and pacification operations. Graham A. Cosmas tells the story of MACV's development as an organization and of the command's role in making and implementing...