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
Cuban Missile Crisis was lost over western China to an SA-2 surface-to-air missile. US officials were worried that one of the Cuban or Soviet SAMs in Cuba might shoot down a CIA U-2, initiating another international incident. In a meeting with members of the Committee on Overhead Reconnaissance (COMOR) on September 10, Secretary of State Dean Rusk and National Security Advisor McGeorge Bundy heavily restricted further U-2 flights over Cuban airspace. The resulting lack of coverage over the island for the next five weeks became known to historians as the "Photo Gap." No significant U-2 coverage was achieved over the interior of the