Analysis of information sources in references of the Wikipedia article "United States Strategic Command" in English language version.
In addition to the dramatic changes in the global landscape associated with the end of the Cold War, changes in the structure of the DoD stemming from the 1986 "Goldwater-Nichols Act" led national leaders to favor a single command responsible for all strategic nuclear forces. The new command's principal mission was to deter military attack, especially nuclear attack, on the United States and its allies and, if deterrence failed, to employ nuclear forces.
In 2011, it supported U.S. Africa Command's operations against Libya in a variety of ways, including long-range conventional strikes and ISR.