A Schleicher ASK 21 glider is a craft of elegance and poise. Its slim wings, seductively curved cabin and tapering fuselage embody a balanced design that moulds modern materials into flowing aerodynamic lines. On the afternoon of 17 April 1999, one such beauty soared gracefully above countryside near Dunstable, England, with an instructor and a novice pilot on board. The student had been given the trial lesson as a 30th birthday present. Although large storm clouds loomed nearby, at 1608 hours conditions in the immediate vicinity were calm and the air was clear.

At 1609 hours a fearsome force suddenly and violently shredded large sections of the glider. The instructor later recalled a “very loud bang” and a distressingly “draughty” cockpit. Dazed and briefly unconscious, he realised that “something was seriously amiss… requiring unpleasant and decisive action.”

By the time he vacated the wreckage–noting on his way out that there was no need to eject the canopy, nor any canopy–his student had arrived at the same conclusion. Witnesses on the ground observed a bright flash and heard a loud crack, and craned their necks to see a ball of smoke and fine debris hanging in the space where the glider had been. Below this, the remnant of a fuselage plummeted earthwards at high speed, with larger sailplane fragments fluttering behind. Thankfully two open parachutes were among them, with deafened and soot-blackened aviators swinging underneath. They were the fortunate survivors of a curious and powerful phenomenon known as positive lightning.

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Alongside Memphis International Airport in Tennessee there lies a sprawling complex filled with hundreds of miles of conveyor belts, thousands of employees, and millions of parcels. A steady stream of cargo planes–often hundreds per day–carries in cargo from around the world to be sorted and redistributed. This is the FedEx Express global “SuperHub,” and in spite of its titillating name it is seldom the site of much excitement. One notable exception to the day-to-day routine occurred in mid-1994. It was the same year that Federal Express embraced the abbreviated “FedEx” moniker and changed to their infamous hidden-arrow logo, and it was just four years after the release of MC Hammer’s multi-platinum hit U Can’t Touch This.

On 7 April 1994, just after 3:00pm, 39-year-old FedEx flyer Andy Peterson boarded a DC-10 cargo plane at the SuperHub. He was scheduled to join Flight 705 as the flight engineer; a support role in charge of monitoring and operating aircraft systems. As Peterson entered the aircraft, he was greeted by 42-year-old Auburn Calloway, a fellow flight engineer. Calloway introduced himself as the “deadhead,” for the flight. He was just there because he needed a lift.

Shortly the men were joined by the plane’s pilot, 49-year-old Captain David Sanders, and his 42-year-old co-pilot Captain Jim Tucker. The DC-10 had a bellyful of electronic gear bound for San Jose, ultimately destined for Silicon Valley. But flight 705 wouldn’t make it anywhere near California that day.

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In the summer of 1959, a pair of F-8 Crusader combat jets were on a routine flight to Beaufort, North Carolina with no particular designs on making history. The late afternoon sunlight glinted from the silver and orange fuselages as the US Marine Corps pilots flew high above the Carolina coast at near the speed of sound. The lead jet was piloted by 39-year-old Lt Col William Rankin, a veteran of both World War 2 and the Korean War. He was accompanied by his wingman, Lt Herbert Nolan. The pilots were cruising at 47,000 feet to stay above a large, surly-looking column of cumulonimbus cloud which was amassing about a half mile below them, threatening to moisten the officers upon their arrival at the air field.

Mere minutes before they were scheduled to begin their descent towards Beaufort, William Rankin heard a decreasingly reassuring series of grinding sounds coming from his aircraft’s engine. The airframe shuddered, and most of the indicator needles on his array of cockpit instruments flopped into their fluorescent orange “something is horribly wrong” regions. The engine had stopped cold. As the unpowered aircraft dipped earthward, Lt Col Rankin switched on his Crusader’s emergency generator to electrify his radio. “Power failure,” Rankin transmitted matter-of-factly to Nolan. “May have to eject.”

Unable to restart his engine, and struggling to keep his craft from entering a near-supersonic nose dive, Rankin grasped the two emergency eject handles. He was mindful of his extreme altitude, and of the serious discomfort that would accompany the sudden decompression of an ejection; but although he lacked a pressure suit, he knew that his oxygen mask should keep him breathing in the rarefied atmosphere nine miles up. He was also wary of the ominous gray soup of a storm that lurked below; but having previously experienced a bail out amidst enemy fire in Korea, a bit of inclement weather didn’t seem all that off-putting. At approximately 6:00 pm, Lt Col Rankin concluded that his aircraft was unrecoverable and pulled hard on his eject handles. An explosive charge propelled him from the cockpit into the atmosphere with sufficient force to rip his left glove from his hand, scattering his canopy, pilot seat, and other plane-related debris into the sky. Bill Rankin had spent a fair amount of time skydiving in his career—both premeditated and otherwise—but this particular dive would be unlike any that he or any living person had experienced before.

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Marvin Heemeyer of Granby, Colorado was a profoundly frustrated muffler repair man. In the late 1990s–after years of protests, petitions, and town meetings–it became obvious to the 52-year-old that he was entwined in a gross miscarriage of justice. His business was ruined by some shady zoning changes, and Heemeyer contended that mayor and city council were corrupt. Even as he was forced to give up his legal fight and sell his land, he hatched one last plan to secretly retool his muffler shop to serve a single malevolent purpose: to construct a machine that would allow him to exact his revenge upon those who had wronged him.

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On 21 December 1872, the British naval corvette HMS Challenger sailed from Portsmouth, England on an historic endeavor. Although the sophisticated steam-assisted sailing vessel had been originally constructed as a combat ship, her instruments of war had been recently removed to make room for laboratories, dredging equipment, and measuring apparatuses. She and her crew of 243 sailors and scientists set out on a long, meandering circumnavigation of the globe with orders to catalog the ocean’s depth, temperature, salinity, currents, and biology at hundreds of sites–an oceanographic effort far more ambitious than any undertaken before it.

For three and a half long, dreary years the crew spent day after day dredging, measuring, and probing the oceans. Although the data they collected was scientifically indispensable, men were driven to madness by the tedium, and some sixty souls ultimately opted to jump ship rather than take yet another depth measurement or temperature reading. One day in 1875, however, as the crew were “sounding” an area near the Mariana Islands in the western Pacific, the sea swallowed an astonishing 4,575 fathoms (about five miles) of measuring line before the sounding weight reached the floor of the ocean. The bedraggled researchers had discovered an undersea valley which would come to be known as the Challenger Deep. Reaching 6.78 miles at its lowest point, it is now known to be the deepest location on the whole of the Earth. The region is of such immense depth that if Mount Everest were to be set on the sea floor at that location, the mighty mountain’s peak would still be under more than a mile of water.

Nothing was known of what organisms and formations might lurk at such depths. Many scientists of the day were convinced that such crevasses must be lifeless places considering the immense pressure, relative cold, total lack of sunlight, and presumed absence of oxygen. It would be almost a century before a handful of inventors and explorers finally resolved to go down there and take a look for themselves.

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“Holy shit.”

Inside the cockpit of the cruising airliner, Captain Bob Pearson was understandably alarmed at the out-of-the-ordinary beeps that were chiming from his flight computer. On the control panel, an amber low fuel pressure warning lamp lit up to punctuate the audio alarm.

First Officer Maurice Quintal, copilot of Air Canada Flight 143, checked the indicator light to determine the cause of the computer’s complaints. “Something’s wrong with the fuel pump,” he reported.

The mustachioed Captain Pearson pulled out the trusty Boeing handbook, his fingers dashing through the pages to find the specifics of the warning. To his relief, the troubleshooting chart indicated that the situation was not as perilous as it might seem: the fuel pump in the left wing tank was signaling a problem, a minor issue considering that gravity would continue to feed the engines even if the pump failed.

“You know,” he commented to Copilot Quintal, “I would not take this air…” He trailed off as the computer blurted out another four beeps, and the indicator panel lit up like a Christmas tree decorated with bad news. “Oh fuck,” Pearson lamented, “we’ve got to go to Winnipeg.”

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In the early 1930s, a secret collection of prosperous men are said to have assembled in New York City to discuss the dissolution of America’s democracy. As a consequence of the Great Depression, the countryside was littered with unemployed, and the world’s wealthy were watching as their fortunes deflated and their investments evaporated. As men of action, the well-financed New York group sought to eliminate what they reasoned to be the crux of the catastrophe: the United States government.

To assist them in their diabolical scheme, the resourceful plotters recruited the assistance of Major General Smedley Darlington Butler, a venerated, highly decorated, and considerably jaded former Marine. It was the conspirators’ earnest hope that their army of 500,000 Great War veterans, under the leadership of General Butler, could overpower the US’ feeble peacetime military and reconstitute the government as a more economical fascist dictatorship.

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In the closing weeks of 1964, the US Central Intelligence Agency was gripped by anxiety in the wake of troubling news. On October 16th, a great mushroom cloud had been spotted towering over the remote Chinese missile-testing range at Lop Nur. All evidence had indicated that Chinese scientists were at least a year away from squeezing the destructive secrets from the mighty atom, but this bombshell underscored the agency’s dangerously feeble espionage efforts in the Far East.

Details regarding the twenty-two kiloton device were scarce, but the US regarded the development as an unwelcome wrinkle in the already precarious Cold War. Officials from India were also distressed, having felt the business end of China’s military during a recent border dispute. In the interest of self-preservation, the two nations made a secret pact to combine their China-watching efforts. Photo reconnaissance satellites were still too primitive for practical spying, and high-flying surveillance planes were too conspicuous, but there was one alternative vantage point. The intelligence agencies hatched a nefarious scheme to keep a sharp eye on China’s weapons tests from atop India’s Nanda Devi, one of the tallest mountains of the imposing Himalayan mountain range. It offered an unobstructed view of China’s distant test site, assuming one could manage to hoist a sufficiently powerful electronic eye to its summit.

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