Arguably the most noteworthy chapter in Ball's business career was his battle against the railroad unions in the Florida East Coast Railway strike of 1963 to 1977. In order to try to save the railroad from its three decades-long state of bankruptcy, which if allowed to continue would have threatened the railroad with physical deterioration and even partial abandonment, Ball fought for the company's right to engage in its own contract negotiations with the railroad unions rather than accept an industrywide settlement that Ball thought would include featherbedding and wasteful work rules. His use of replacement workers to keep the railroad running during the strike led to violence by strikers that included shootings and bombings. Eventually, Federal intervention helped quell the violence, and the railroad's right to operate during the strike with replacement workers was affirmed by the United States Supreme Court. As the strike continued, the Florida East Coast took numerous steps to improve its physical plant, install various forms of automation, and drastically cut labor costs, all to an extent that most other railroads would not succeed in matching until years later. Ball therefore was a pioneer in the American railroad industry's struggle, beginning in the 1960s, to improve its economic efficiency.