Роберт Хайнлайн «Why Buy a Stone Ax?»

One of the half-dozen «worldsaver» articles written immediately after World War II, critiquing the military's reliance on old technology and observing that we could not afford to fight the last war next time. Never before published, but one slogan from this article became well-known: «The most expensive thing in the world is a second-best military establishment.»