Original sentence: 's nuclear forces were to be used as a deterrent to "conventional threats" as well as nuclear.Carter's PD-59 was a re-affirmation and clarification of PD-18 to wit:.It did however mark the first instance where the U.Our strategic nuclear forces must be able to deter nuclear attacks...and to contribute deterrence from non-nuclear attacks.PD-59 was not specifically an escalation of U.This directives clarified the intent of PD-18, and gave the president the option to utilize nuclear force below the level of an all-out exchange
Edited sentence: Carter's PD-59 was, in fact however, a re-affirmation and clarification of PD-18 to wit:.and did not represent an escalation of U