 截至 2015 年 3 月 1 日，根据《新裁武条约》，美国已部署的战略弹头数目为 1 597 枚，部署在 785 枚(架)已部署洲际弹道导弹、潜射导弹和重型轰炸机上。
 As of March 1, 2015, the number of U.S. deployed strategic warheads under the New START Treaty was 1,597 on 785 deployed ICBMs, SLBMs, and heavy bombers.