 It was also during this period that, in acknowledgment of the elimination of the Warsaw Pact, that the President, via the Secretary of Defense, ordered all strategic nuclear alert operations to stand-down.The decades-long Cold War was over.On 1 June 1992, as part of the first major reorganization since the creation of USAF, the Air Force inactivated Strategic Air Command and assigned Ellsworth's organizations (including a renamed 28th Bomb Wing (28 BW)) to the newly activated Air Combat Command (ACC).