 此外，美国继续开展转化工作，使美国潜艇上的一些潜射弹道导弹发射器失能。2014 年这些转化工作的费用超过了 5 000 万美元。
 In addition, the United States continued the conversion process to render inoperative some launchers of submarine-launched ballistic missiles on U.S. submarines. The cost of these conversions exceeded $50 million in 2014.