Abstract :
The correspondant comments upon the articles of O.A. Meykar, "Definitions of effectiveness terms: A report on the purpose and contents of MIL-STD721B," ibid., vol. AES-3, pp. 165-170, March 1967, and B.S. Blanchard, "System worth, system effectiveness, integrated logistics support, and maintainability," ibid., vol. AES-3, pp. 186-194, March 1967.