The bulk of our deterrent was in our silo-based ICBMs, and they were crucial to us because of their unique accuracy and reliable communications, and because, unlike the bomber force, the Soviets had no defenses against them.

CENTERFORSECURITYPOLICY: Center for Security Policy | Bear over the Barrel��: Putin��s Threats re: U.S. Missile Defenses are Strategically Hollow, Economically Unaffordable