When Gorbachev called, Chernyaev hesitated at first, because it seemed an almost overwhelming responsibility. He was sixty-five years old, and feared he would disappoint Gorbachev. He wanted more time for reading, theater, exhibitions, the conservatory, a steady and quiet life.
“What do you say?” insisted Gorbachev.
“One does not refuse such offers, Mikhail Sergeyevich,” Chernyaev replied.13
In the critical years that followed, Chernyaev remained at Gorbachev’s elbow, a key member of the reformist brain trust who offered candid advice to Gorbachev as well as unblemished loyalty. He joined the other intellectuals who generated the ideas and firepower behind glasnost and perestroika. Chernyaev’s diary, detailed and revealing, is perhaps the single most important contemporaneous account of Gorbachev’s decision making and thinking.14
Change was coming fast in 1986. Boris Yeltsin, the party chief in Sverdlovsk, was brought to the capital, and soon plunged into a populist drive to improve living standards. Alexander Yakovlev, a strong proponent of democratization, was brought from his think tank to head the Central Committee department on ideology, becoming another preeminent adviser to Gorbachev and the heart and soul of “new thinking.” Chernyaev began to take notes at meetings with Gorbachev. Later, other Gorbachev advisers, including Yakovlev, Shakhnazarov and Vadim Medvedev, contributed their notes, making up another valuable contemporaneous account.15
Soon after Chernyaev was appointed came the 27th Party Congress, a mammoth affair in which 4,993 delegates from across the country packed into Moscow hotels and assembled in the scarlet-bedecked hall of the Kremlin Palace of Congresses from February 25 to March 6, 1986. Held every five years to approve the membership of the three-hundred-member Central Committee and ratify the next five-year program, the congress was Gorbachev’s stage for a premiere of “new thinking” and perestroika. In his speeches, Gorbachev referred to the war in Afghanistan as a “bleeding wound,” and described a Soviet foreign policy based on living with the non-Communist world rather than endless confrontation of military blocs. Gorbachev’s words were spoken in billowing paragraphs, wrapped in old rhetoric about American imperialism, and he still attempted to give socialism a boost rather than destroy it. But “new thinking” was on display nonetheless.16
Chernyaev recalled that Gorbachev was in a state of “extreme enthusiasm” when the party congress ended. But just as he savored this success, a chill wind blew in from Reagan. In the wake of the Walker spy ring discovery the year before, Reagan had signed a secret directive in late 1985 to curb Soviet espionage activity, but action had been delayed. On March 7, the day after the party congress ended, the United States ordered the Soviet Union to sharply reduce its diplomatic mission to the United Nations in New York, from about 270 diplomats to 170. Gorbachev took this as an unexpected jab from Reagan. The Soviet mission at the United Nations was believed by U.S. officials to be a headquarters for KGB spies.17 In fact, two of the most devastating spies of all time were not at the Soviet mission but deep within the U.S. government—Ames and Hanssen.
In another setback for Gorbachev, on March 13, U.S. warships carrying sophisticated electronic gear sailed six miles inside the Soviet Union’s twelve-mile territorial limit in the Black Sea, a clear provocation, which the Soviets protested. On March 20, Gorbachev was exasperated when he met aides to plan a speech in the Volga River manufacturing city of Togliatti. According to Chernyaev’s notes, Gorbachev said he hoped to give the Americans a good swift kick. He could not understand European or American indifference to his initiatives and speeches. “What do we see on the part of Europe and the United States?” he asked. “Excuses, evasiveness, attempts to get away with half-measures and promises.”18
Gorbachev had prolonged the Soviet self-imposed moratorium on nuclear testing by three months, but Reagan refused to go along. On March 22, the United States set off a twenty-nine-kiloton underground nuclear explosion, code-named Glencoe, two thousand feet below the Nevada desert.19 Gorbachev continued to hold off on Soviet tests, but bitterly complained to his inner circle on March 24 that the moratorium showed the Americans “have no intentions to disarm.” Gorbachev asked that day, “What does America want?” Chernyaev recalled, “It seemed we were sliding back toward confrontation.”
Gorbachev turned again to Reagan’s stubborn Star Wars dream. He vowed that the Soviet asymmetrical response could nullify it for just 10 percent of the cost. “Maybe we shouldn’t be so afraid of SDI?” he asked. This was a change in tune from his vigorous campaign against missile defense at the Geneva summit just months earlier. “Of course we cannot just disregard this dangerous program,” Gorbachev said. “But we should overcome our obsession with it. They’re banking on the USSR’s fear of SDI—in moral, economic, political and military terms. Therefore they’re pursuing this program in order to wear us out.”20
Speaking just among his top aides, Gorbachev said: “We should do everything not to impoverish our country further through defense spending.”
Gorbachev could not grasp why the spirit of the Geneva summit was fading. He wrote to Reagan on April 2, saying, “More than four months have passed since the Geneva meeting. We ask ourselves: what is the reason for things not going the way they, it would seem, should have gone? Where is the real turn for the better?” He complained “we hear increasingly vehement philippics addressed to the USSR.” On April 3, he lamented to the Politburo: “The whole world sees that Gorbachev makes a suggestion in the evening and the next morning the Americans quickly say ‘no.’” On April 4, he had a long talk with two influential congressional leaders—Dante Fascell, Democrat of Florida, and William Broomfield, Republican of Michigan—who were visiting Moscow. “Disarmament issues cannot be postponed,” Gorbachev said.
“The locomotive is rushing forward at great speed. Today there is still a chance to stop it, but tomorrow it might be too late.”
In the marshy flatlands and forests of the Ukraine, spring breezes arrived early that April, carrying scents of cherry blossoms. A giant nuclear electricity-generating plant with a red-and-white candy-striped smokestack stood astride the Pripyat River, ten miles north of the town of Chernobyl and nestled next to a small town, Pripyat. The station housed four 1,000-megawatt reactors, and two more reactors were under construction that, when finished, would make it the largest nuclear power plant in the Soviet Union. In the early-morning hours of Saturday, April 26, a test was getting underway at Reactor No. 4.21
The reactor core was a mammoth block of graphite 23 feet high and 38 feet in diameter, weighing 1,700 tons, honeycombed with 1,661 holes for rods filled with uranium fuel. When lowered by a crane into the holes, the fuel rods set off nuclear fission, which gave off heat, turning water into steam to power turbines generating electricity. Another 211 holes in the graphite were drilled for control rods. When lowered into the reactor, the control rods absorbed neutrons and slowed or stopped the nuclear fission. Six pumps, capable of moving up to 18.6 million gallons an hour, forced coolant water through the reactor, with two pumps in reserve. Seventeen of the Soviet RBMK-1000 reactors were built in the Soviet Union between 1973 and 1990; the RBMK acronym stood for Reaktor Bolshoi Moshchnosti Kanalnyi, or High-Power Channel Reactor. Unlike reactors in the West, such as the one at Three Mile Island, where an accident occurred in 1979, the Soviet RBMK-1000 design lacked a containment shelter, the overarching, concrete shell to hold radioactivity inside in the event of a disaster.
The rods, pumps and gears used to control and moderate the nuclear fission inside the Chernobyl reactor were dependent on electricity. If outside power were suddenly cut off, it would take forty seconds to kickstart auxiliary diesel engines. Without power for forty seconds, however, the pumps would not force water through the reactor, which would quickly overheat. This forty-second gap was something that Soviet designers knew about and worried over; they were still trying to fix it. On the night of April 26, an improvised work-around was being tested. The operators knew that after a power outage, the
spinning turbine blades would keep rotating under their own momentum. So they reasoned: why not use the still-spinning blades to generate enough power to keep the water pumps going for forty seconds? The goal of the test was to see how much power the rotating blades could generate, but the duty operators were ill prepared and the reactor design badly flawed.
One operator, arriving at his station, was confused by the logbook. He called someone else to inquire.
“What shall I do?” he asked. “In the program there are instructions of what to do, and then a lot of things crossed out.”
The other person thought for a minute, then replied, “Follow the crossed out instructions.”22
After midnight Saturday, the reactor was powered down to very low levels for the test. Then, apparently because power was too low, the operators tried to power it up again, perhaps too quickly. Nuclear fission creates by-products that must be allowed to dissipate before the reactor is powered up again, but this danger was ignored.
As they powered up the reactor, a chain reaction began to spin out of control.
A foreman who entered the reactor hall at about 1:23 A.M. saw an unforgettable sight. The reactor had a massive lid. It was the “upper biological shield,” intended to prevent radiation exposure to workers during routine operations. The lid was a circle forty-nine feet in diameter, consisting of cubes, each sitting on top of a channel. When the foreman looked down, he saw the 770-pound cubes start to rumble and dance on top of the channels, “as if one thousand seven hundred people were tossing their hats into the air.”23
The operators hit the red panic button, marked “AZ,” for the emergency power reduction system. But it was too late. They desperately tried to lower the control rods to stop the fission, but the rods, by some accounts, got stuck, perhaps because the holes in the core had warped. Also, there was a design flaw in the rods, which had a section of water and graphite at each end known as the displacer, while the absorber was in the middle. When the rods got stuck, the absorber didn’t make it far enough down into the core to be useful in moderating the fission. Moreover, the rods also may have forced water out from the channels, increasing the heat and steam. In the RBMK-1000 reactor design, excessive steam caused the nuclear chain reaction to accelerate. As the heat inside the graphite core skyrocketed, more of the water then turned to steam, which caused the reactor to get even hotter. More steam, more heat, and the reactor went out of control.
At 1:23 A.M., two explosions rocked Chernobyl. These were extremely powerful, caused by the chain reaction generating huge amounts of heat and pressure. The reactor blew apart, and the explosions were followed by fire. The blast blew a hole straight upward through the roof of Reactor No. 4. The weighty lid was tossed aside like a cocked hat, and radioactive materials—gases, graphite and bits of broken fuel rods—were thrust into the atmosphere. Some debris fell down near the site. Radioactive elements were carried by the winds across Europe. The initial contamination was one nightmare, then came another: the graphite core was on fire and burned for ten days, spewing more dangerous materials into the air.
Hours after the disaster, with the graphite core burning, an “urgent report” arrived at the Central Committee in Moscow from Deputy Energy Minister Alexei Makukhin, who had once been minister of energy in the Ukraine when Chernobyl was first being built. The report said that at 1:21 A.M. on April 26 an explosion occurred in the upper part of the reactor, causing fire damage and destroying part of the roof. “At 3:30, the fire was extinguished.” Personnel at the plant were taking “measures to cool the active zone of the reactor.” No evacuation of the population was necessary, the report said.
Almost everything in Makukhin’s report was wrong. The reactor was still burning and was not being cooled, and the population should have been evacuated immediately. What the report did not say was even worse: at the scene, radiation detectors failed, firefighters and others were sent in without adequate protection and officials were debating—but not deciding—about evacuation.24
Gorbachev recalled many years later that he first heard of the disaster in a phone call at 5 A.M., but he insisted he did not learn until the evening of April 26 that the reactor had actually exploded and there had been a huge discharge into the atmosphere. “Nobody had any idea that we were facing a major nuclear disaster,” he recalled. “Quite simply, in the beginning even the top experts did not realize the gravity of the situation.”25Chernyaev, who was at Gorbachev’s side throughout the crisis, recalled that “even our top leadership did not fully realize the difficulties and dangers associated with nuclear energy.” He acknowledged that “one can blame Gorbachev for trusting those responsible,” but added, “since nuclear energy was directly linked to the military-industrial complex, it was taken for granted that everything was in perfect order. And that there was no chance of a ‘surprise’ like Chernobyl.”26
The reason for the lack of information was the Soviet system itself, which reflexively buried the truth. At each level of authority, lies were passed up and down the chain; the population was left in the dark; and scapegoats were found. Gorbachev was at the top of this decrepit system; his biggest failure was that he did not break through the pattern of cover-up right away. He reacted slowly, a moment of paralysis for this man of action. He seemed unable to get the truth when he needed it from the disaster scene or the officials responsible for nuclear power. While Gorbachev’s personal charisma had sparked excitement on the streets of Leningrad the year before, he did not appear in public for eighteen days after the explosion. While he disdained the secrecy of the military, he was just as silent before his own people and much of Europe in a situation of real peril. Gorbachev, who in January called for the elimination of all nuclear weapons, suddenly was faced with a real-time, catastrophic example of what the world might be like after a nuclear explosion, and it was even more frightening than he could have guessed.
Without a containment shelter, radioactive isotopes soared into the atmosphere. Winds carried the contamination north, and by Sunday, radiation was detected in Sweden at the Forsmark nuclear power station, one hundred miles north of Stockholm. The Swedes confronted the Soviets at midday Monday, April 28. Gorbachev had assembled an emergency Politburo meeting at 11 A.M., but the Kremlin had not said a word about the accident, at home or abroad. In notes from the emergency meeting, aides to Gorbachev wrote: “The information was alarming but scant.”27According to Volkogonov, the historian, as the Politburo discussed how to handle the accident, Gorbachev said, “We must issue an announcement as soon as possible, we must not delay…” Alexander Yakovlev also said, “The quicker we announce it, the better it’ll be …” Other accounts suggest some Politburo members wanted to keep silent.28 The announcement was delayed for hours and hours. But people with radios that could pick up foreign broadcasts in Moscow already knew something truly horrible had happened; the reports were alarming.
Gorbachev later claimed there were two reasons for the delay: he lacked information and didn’t want to create panic. The Kremlin eventually instructed the news media to distribute a statement so terse as to relay none of the catastrophic nature of the event. The announcement was issued at 9 P.M. on April 28:
An accident has occurred at the Chernobyl Nuclear Power Plant, damaging one of the reactors. Measures are being taken to eliminate the consequences of the accident. The injured are receiving aid. A government commission has been set up.29
On the next day, April 29, Gorbachev called another Politburo meeting. According to Volkogonov, Gorbachev now realized “that he had anything but a routine problem on his hands,” given the global alarm about the accident. He began consulting with physicists and security officials. Gorbachev opened the Politburo meeting with a terse remark, “Perhaps we aren’t reacting as sharply as the states around us?” Gorbachev proposed they create an operational group to manage the crisis. He then asked, “How are we to deal with the population and international public opinion?” He paused and added a somewhat contradictory remark: “The
more honestly we conduct ourselves, the better. To ensure that a shadow of suspicion should not fall on our equipment, we must say that the power station was undergoing a planned repair …”
After more discussion, the Politburo decided to issue another public statement, which Volkogonov described as “terms that might have been used to announce an ordinary fire at a warehouse.”30 The announcement said the accident had destroyed part of the reactor building, the reactor itself, and caused a degree of leakage of radioactive substances. Two people had died, the statement said, and “at the present time, the radiation situation at the power station and the vicinity has been stabilized.” One section was added for socialist countries saying that Soviet experts had noted radiation spreading in the western, northern and southern directions from Chernobyl. “Levels of contamination are somewhat higher than permitted standards, however not to the extent that calls for special measures to protect the population.”31
In the early weeks, firefighters and “liquidators,” people called from all over the country to help mitigate the disaster, fought bravely and worked with amazing courage and dedication in the face of danger. Firefighters recalled standing on a roof so hot their boots melted; helicopter pilots braved the smoldering ruins to dump 5,020 metric tons of sand and other material in an effort to suffocate what appeared to be a red glow, the burning graphite reactor below.32 But while individuals performed acts of heroism, the bosses of the Soviet state obfuscated. One of the first actions of the plant director was to cut nonessential telephone lines around Chernobyl.33 An evacuation of Pripyat was begun only thirty-six hours after the explosion; the second stage of the evacuation, including a wider zone that eventually displaced 116,000 people, did not begin until May 5. The Communist Party in Ukraine insisted that May Day parades should carry on as usual in Kiev even though winds were blowing in that direction. On May 1 in Moscow, Nikolai Ryzhkov, the prime minister, signed an instruction to take Soviet news correspondents to areas adjacent to the Chernobyl power station with a goal of preparing reports in newspapers and television showing the “normal vital activity of these areas.”34 But the truth was dawning at the highest levels in Moscow. The same instruction from Ryzhkov admitted the Health Ministry “failed” to provide full information from the scene and insisted that the ministry “take urgent measures to bring order into this affair.”
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