Cuban Missile Crisis colonies and European affairs but holding that the Western Hemisphere was in the US sphere of influence. The Kennedy administration had been publicly embarrassed by the failed Bay of Pigs Invasion in May 1961, which had been launched under President John F. Kennedy by CIA-trained forces of Cuban exiles. Afterward, former President Dwight Eisenhower told Kennedy that "the failure of the Bay of Pigs will embolden the Soviets to do something that they would otherwise not do." The half-hearted invasion left Soviet premier Nikita Khrushchev and his advisers with the impression that Kennedy was indecisive and, as one Soviet adviser
Cuban Missile Crisis wrote, "too young, intellectual, not prepared well for decision making in crisis situations... too intelligent and too weak." US covert operations against Cuba continued in 1961 with the unsuccessful Operation Mongoose. In addition, Khrushchev's impression of Kennedy's weaknesses was confirmed by the President's response during the Berlin Crisis of 1961, particularly to the building of the Berlin Wall. Speaking to Soviet officials in the aftermath of the crisis, Khrushchev asserted, "I know for certain that Kennedy doesn't have a strong background, nor, generally speaking, does he have the courage to stand up to a serious challenge." He also told his