the arming process was automatic on the BUFF.
The pilots had studied the ballistics of their weapon, and knew when to release it so that it would be 'tossed' onto the target. The weapon was fitted with a delay fuse to allow the BUFF, flying at 400 knots, to escape the fireball and blast. The targeting was much less accurate than the test shots in the Pacific, which were conducted under near-perfect conditions. The pilots did not have sophisticated radar systems to guide the bombs to their targets. There was no 'Kitty' back at SAC headquarters to make complicated ballistic calculations in the middle of a mission. They were on their own. To make up for the lack of accuracy, SAC insisted that the same targets be attacked multiple times to guarantee destruction.
The targets on the SIOP list included missile sites, airfields, defense plants, and command-and-control centers like the Kremlin, in the heart of Moscow, a city with a population of more than 6 million. The plan listed six 'target complexes' in the Soviet capital, to be covered by twenty-three nuclear weapons, nearly four weapons per target. That worked out at around 25 million tons of TNT, at least five times the total amount of explosives used in World War II.
In theory, all the targets had some kind of 'strategic' significance. But there was one notable exception. In case the BUFF failed to reach its target, and the crew was killed or incapacitated by a Soviet missile, the plane was equipped with a mechanism that provided for 'automatic release of prearmed weapons' over enemy territory. Rather than 'waste' the nuclear weapons altogether, SAC planners preferred to trigger an automatic detonation wherever the bomber happened to go into a final nose-dive. The macabre device was known to B-52 crews as the 'dead man's switch.'
Cuban national radio, Radio Reloj, broke into its afternoon programs just at 3:02 p.m. Washington time to announce that 'unidentified war planes' had 'penetrated deep into the national soil' that morning, but had been chased away by antiaircraft fire. 'Cuban air forces are in a state of maximum alert, maximum fighting deployment, and are ready to defend the sacred rights of the motherland.'
Around the time the government statement was being broadcast, the convoy of vehicles carrying nuclear warheads from Bejucal arrived at Calabazar de Sagua, 160 miles east of Havana. The special storage facilities for the warheads were still incomplete. Concrete foundations had been poured at one site, but work had not yet begun on assembling the ribbed aluminum arches that had been transported from Russia. At the second site, construction troops had just installed a chimneylike vent in the end wall and were waterproofing the roof. But the interior of the bunker was unfinished, and climate control equipment had not been installed. Since there was nowhere to properly store the warheads, they were kept in the humpback vans near regimental headquarters, about a mile from the launch positions. Technicians checked out the warheads inside the vans.
The missile site at Calabazar was tucked away amid palm trees and sugarcane fields between some low hills. The hills were no more than 150 feet high, but offered some protection to the north and east. There were four separate launch positions, several hundred yards apart. A launch stand consisted of a heavy steel table on which the missile was placed for firing, with a large hole in the center and a cone-shaped flame deflector beneath. A tractor-trailer waited near each launch stand to winch the missile up to the vertical position. The missiles themselves were stored in nearby tents.
The Calabazar site was one of two missile batteries under Colonel Ivan Sidorov, commander of the 79th missile regiment. A second battery, with four more launch positions, was located twelve miles away, closer to Sagua la Grande. These sites were more exposed to American attack than the sites in western Pinar del Rio, which were protected by wooded mountains. But they had one huge advantage, which explains why they were given top priority: they were some fifty miles closer to the heavily populated eastern seaboard of the United States than the sites around San Cristobal. Soviet missiles could not hit New York from San Cristobal, but the metropolis of 8 million people was just within range of missiles fired from the Sagua la Grande area. The maximum range of the R-12 was 1,292 miles; the distance between the Calabazar missile site and Manhattan was 1,290 miles.
The delivery of the warheads meant that Sidorov could now launch eight R-12 nuclear missiles against the United States, with a total payload of at least 8 megatons, an explosive force equivalent to all the bombs ever dropped in the history of war. The power of the 1-megaton nuclear warhead would compensate for the missile's lack of accuracy. Sidorov had four more missiles plus warheads in reserve for a second salvo, but little chance of firing them, given the certainty of massive American retaliation.
Like the other missile positions, the Calabazar site was surrounded by a series of defensive rings. The first line of defense was made up of Cuban antiaircraft batteries, deployed a mile to the west of the launch pads. The next consisted of forty supersonic MiG-21 fighter-interceptors, stationed seven miles to the south, at Santa Clara Airfield. Rugged, lightweight, and highly maneuverable, the MiG-21s were a formidable competitor for heavier, more sophisticated American fighters. The final defensive circle included the SAM sites along Cuba's northern coast and a motorized rifle regiment twenty miles to the east, equipped with tactical nuclear missiles.
The weak link in this defensive system lay at the very center. Sidorov's troops had the power to destroy several American cities with their missiles, but were unable to defend themselves against an airborne assault. Their defensive weapons consisted of a few machine guns and pistols for the officers. The ground was so rocky and hard that they had not been able to dig proper trenches, even with the help of explosives. The best they could manage were a few foxholes near the launching positions, where they spent the night and rested during the day.
Combat-scarred veterans toured the defense positions, offering advice to anxious youngsters. Where to run if the enemy attacks. What to take with you. Major Troitsky drew from his experience in the Great Patriotic War.
'Don't worry,' he told the neophytes cheerfully. 'The lucky ones will survive.'
The regiment was formally on a 'heightened' state of alert, Readiness Condition 3. Sidorov's men had practiced the final countdown many times: transfer the warhead to docking trolleys. Mate the warhead with the missile. Bring the missile to the launch pad. Raise it to the vertical position. Fuel it. Fire it. By cutting some corners, Sidorov could now launch his missiles against the United States within two and a half hours of receiving an order.
Although Sidorov did not have the authority to fire the missiles by himself, it was possible to conceive of circumstances in which they would be fired without an order from Moscow. There were no electronic locks on the missiles to prevent their unauthorized firing. The firing mechanism was under the control of the commander of each individual launch pad, a major. Communications links with division headquarters outside Bejucal were still unreliable. Specialists had not finished installing a sophisticated microwave network that would allow coded orders to be sent directly from Moscow to Bejucal to Calabazar and Sagua la Grande. Radio transmissions varied with the weather: sometimes the quality was good; at other times the messages were unintelligible.
Responsibility for timing the final countdown lay with a young lieutenant, Viktor Yesin, who would later rise to become chief of staff of the Soviet Union's Strategic Rocket Forces. As he reflected on his Cuba experience decades later, he was troubled by the thought of the likely result of a U.S. airstrike.
'You have to understand the psychology of the military person. If you are being attacked, why shouldn't you reciprocate?'
The CIA had long suspected that Castro would respond to an American attack on Cuba by lashing out against the United States wherever he could. The agency had intercepted coded letters to Cuban agents in Central America warning them to prepare for 'a coordinated wave of terrorism and revolution to be started the moment Cuba is attacked.' It had information that 'at least a thousand' citizens of Latin American countries had traveled to Cuba in 1962 'to receive ideological indoctrination or guerrilla warfare training or both.' Typically, the trainees reached Cuba by roundabout routes, stopping off in an Eastern European city such as Prague before traveling on to Havana. The training program meant that Castro had a network of loyal agents in countries like Venezuela, Peru, and Bolivia who were ready to defend the Cuban revolution.
On Saturday afternoon, the CIA intercepted a message from 'a transmitter somewhere near Havana' instructing Castro supporters in Latin America to destroy 'any kind of
'Attack