Cuban Missile Crisis forces. Kennedy met with members of EXCOMM and other top advisers throughout October 21, considering two remaining options: an air strike primarily against the Cuban missile bases or a naval blockade of Cuba. A full-scale invasion was not the administration's first option. McNamara supported the naval blockade as a strong but limited military action that left the US in control. The term "blockade" was problematic. According to international law, a blockade is an act of war, but the Kennedy administration did not think that the Soviets would be provoked to attack by a mere blockade. Additionally, legal experts at the
389th Strategic Missile Wing alert during the Cuban Missile Crisis in November 1962. In May 1964, as the Atlas D missiles were being phased out, the 389th Strategic Missile Wing received SAC's last operational readiness inspection for this system. In September 1965, SAC inactivated the wing, completing the phaseout of the Atlas E at Warren. 389th Bombardment Group 389th Strategic Missile Wing 389th Strategic Missile Wing The 389th Strategic Missile Wing is an inactive unit of the United States Air Force. Its last assignment was with the 13th Strategic Missile Division at Francis E. Warren Air Force Base, Wyoming, where it was inactivated on