Tag Archives: history

193. Boys at Work

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By at Wk atwI grew up in the fifties, when men were men and women were women, at least in the movies, sitcoms, books, and in the minds of the adults I knew.

Reality was a bit different, of course.

Since we didn’t have modern conveniences – for the first few years of my life we didn’t even have running water – just doing “women’s work” was a full time occupation. Still, when you are young and poor, as my parents were, you do what is needed. When we moved to what became the home farm, there were no fences. My mother and I (I was seven)  put a fifty pound roll of barbed wire onto a crowbar and walked the quarter mile south boundary unrolling it, five times repeated, while my father set fence posts, tightened the strands with a block and tackle, and stapled up the wires.

Farm women did things like that whenever it was needed, but it wasn’t considered normal. It wasn’t the way things were supposed to be. Men had their work and women had theirs and crossing over was, if not abnormal, at least out of the ordinary.

I grew up. The fifties became the sixties. When women’s lib came along, I bought in 100%, but I still don’t criticize the old ways indiscriminately. They were a part of the way people made a living. Sometimes those customs made life unnecessarily hard on women – or men – but they weren’t without a basis in need.

The division of labor was also there in the books kids read. Boys read the Hardy Boys and girls read Nancy Drew.

The Hardy Boys worked for a living; they were detectives. But it always seemed more like play, and more like fantasy than reality. Tom Swift (Jr.) was worse; ten minutes at the drawing board and he would pass the plans on to the work force of Swift Enterprises. Three weeks later his rocket ship would be done. It felt like a portrayal of work designed for kids who had never worked, and who wouldn’t notice how fake it was. Frank and Joe and Tom weren’t kids at all. They were watered down, unrealistic pseudo-adults.

I’m sure there were plenty of books about kids living kid’s lives, with kid’s concerns, while their parents stayed in the background. I certainly read enough of those books after I became a teacher, but they never crossed my path when I was young. I don’t think they would have interested me if they had.

There was another kind of book that did interest me; fascinated me, in fact. You would not go far wrong if you called it apprenticeship literature. These were stories about young guys, usually in their teens, who wanted to become men. They worked. They learned from adults who knew the jobs the youngsters wanted to learn. They were young auto mechanics, or wipers in the engine room of a steam ship, or kids who did odd jobs at the air field so they could learn how to fly, or starry eyed young rocket engineers learning their trade.

I plan to spend the rest of the week on that kind of book.

191. Nobody Won

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World War I began 102 years ago today with the assassination of Archduke Ferdinand and continued until November of 1918. Millions died, centuries old dynasties disappeared, countries ceased to exist, and new countries were formed. It was the Great War, the war to end all wars, but when it was over, the dance continued.

Nobody really won. But then again, no one deserved to. It was, in many ways, a continuation of wars from Napoleon onward through the Crimea, when dozens of European countries, regions or ethnic groups tried to gain dominance, or to retain dominance, or to avoid being dominated. Only the last might be considered valid. Before the final smoke of battle had cleared at the end of World War I, the seeds of World War II had sprouted and were growing strong.

Until past the middle of the nineteenth century, Germany did not exist as a modern nation. Numerous small states coalesced under pressure from Prussia into a single country – Germany – in 1871. France and Russia feared this shift in power, and formed an alliance to counteract it. Germany reacted by forming an alliance with Austro-Hungarian Empire. Italy joined Germany and Austria shortly after. Britain reacted to the change in Europe by aligning itself with old enemies France and Russia.

The assassination caused Austria-Hungary to force war on the Kingdom of Serbia. Russia intervened on Serbia’s behalf, and the dominos fell.

In America, we tend to think of Germany as the aggressor and Britain as the victim. That won’t really hold water. All the groups on the battlefield were in contention for colonies, wealth, power, and trade. Germany was newly arrived on the world stage and aggressive. Bismarck made a good cartoon villain – he is sometimes painted as a sort of proto-Hitler – and the British have always been a gentle and civilized people in their own eyes and ours. Even though Americans would never have achieved independence from Britain without the French navy, we still think of Britain as our mother country.

It isn’t.

At least it is no more the mother country to America than France, Belgium, Denmark, Ireland, Scotland (who were not part of Britain when America was colonized, and who were still at war with England thirty years before 1776), Norway, Sweden, Italy, Spain, a dozen European states that no longer exist, China, Japan, and – oh yes – Germany. And let’s not forget Africa.

During the eighteenth, nineteenth, and early twentieth century, European nations changed allies more often than hippies changed partners at a love-in. Britain had been at war with her World War I ally Russia just sixty years earlier in the Crimea, and had been at war with her World War I ally France for most of the preceding two hundred years. Who was on our side and who was on their side was mostly an accident of which decade the war broke out.

I admit to an illogical fondness for Buchan and Edwardian espionage novels, but I also know that war was largely about possessing the wealth of Africa, the Middle East, India, and the Far East. The Germans who died under English guns were as much the victims of a senseless war as the English who died under German guns.

The people of the colonies world were the victims, whether there was a war going on or not.

190. Riddle of the Sands

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Riddle of the Sands was the first British spy story, according to Eric Ambler. Over the years, it has been a favorite of lovers of old-fashioned British writing and of small boat sailors, both real and wannabe. Riddle of the Sands is fiction, but it usually get listed with such books as Falcon on the Baltic (referenced internally) or A Voyage Alone in the Yawl Rob Roy – century old books about real small boat journeys.

Don’t expect a thriller; it may say thriller on your copy’s cover, but you know how unreliable back blurbs are. If you are a fan of Bond and Bourne, you’ll fall asleep by the third page, but it is one of my all time favorite books because it is so English, in the best sense of the word.

You might get the idea from the BREXIT posts and from 188. Before the Storm that I am down on the English. Far from it. It’s just that they spent several centuries as winners on the world stage, and winners get a lot of chances to do terrible things to the losers. America has now inherited their position, along with all its moral perils.

Riddle of the Sands is the story of two Brits, Davies and Carruthers, on an extended exploration of the waters off the Netherlands and Germany a decade before World War I. It unfolds slowly, in typical old-British fashion with intimations from the first that there is more going on than appears on the surface. Carruthers finally worms the truth out of Davies, and discovers that he is convinced that Dollmann, a German yachtsman of his acquaintance, is in fact a renegade Englishman acting as a spy for the Germans. Davies fears that there is a plot afoot to do great harm to England, and he has recruited Carruthers to help him ferret it out.

The plot against England is real and the danger is imminent, and its unfolding is properly slow and logical. But the charm of the book lies elsewhere, in the day to day work of seamanship as the two try to discover Dollmann’s intentions. And they are such good chaps, in the most English sense of decency, courage, and selfless patriotism.

Dollmann’s plot is uncovered, the British authorities are warned and danger is averted. Yet, at the end of the book, the author complains that the events uncovered by Davies and Carruthers have again been forgotten, and danger is still on the horizon.

Indeed, it was.

189. World War Zero

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They called it the Great War, for its size and horror. The term World War I came later, to distinguish it from WW II, which came with even greater size and horror. Neither name is accurate. By 1914, Britain had already been waging world wars for at least 250 years.

Of course early Europeans had been fighting since the first Homo Sapiens Sapiens hit the last Neanderthal on the head with a rock. With increasing food sources, skirmishes became battles. With the rise of social organization, so that armies could stay in the field longer, battles became wars. With increasing population density, the wars could become both wide spread and long lasting, but a world war could not be fought until Europe exploded across the globe as the Age of Exploration morphed into the Age of Colonization.

Portugal began it all. Spain – including Columbus – came close behind, followed by the Dutch, French and English. Exploration led to colonization, and colonies were fought over. The Dutch were early world wide colonizers, especially in the Americas and the far East. The Anglo-Dutch wars of the 1600s were primarily fought in the North Sea, but the prize was world domination. The English won, New Amsterdam became New York, and the Dutch were left dominating the Spice Islands (basically modern Indonesia).

North America was fought over for centuries by Spain, England and France. Our French and Indian War was only one theatre in the globe spanning Seven Years War, fought by England and her allies against France and hers. That conflict involved Europe, the Americas, Africa, India, and the Philippines.

The Treaty of Paris ended the war, but not the fighting. A decade later, France was again fighting the English as allies of the newly forming United States. The three way battle between France, England and Spain continued off and on through the French Revolution and the rise of Napoleon, and at every step the nations’ colonies were involved as actors or as pawns. The Louisiana Purchase, which defined America, came about because France, which had control of the territory through its control of Spain, needed to consolidate its position before engaging England, by obtaining money while getting rid of a vulnerable possession.

You should realize that I have left out innumerable wars, battles, and skirmishes to keep the size of this post in check. All this conflict was on a world wide scale, in pursuit of world wide trade. Call it World War Zero.

Needless to say, this much active history can’t pass without an accompanying literature. My personal interests are not military, but they are maritime, so I found myself caught up in the stories of “wooden ships and iron men” despite myself. I discovered Forrester’s Hornblower when I was in my twenties and read them all, several times. Hornblower is such a complex character, so full of ambition and self-doubt, that I can’t recommend him to everyone, even though he is my favorite. I would start someone new to this kind of novel with Kent’s Bolitho. He is a more normally heroic captain; I liked him quite well, but by the time I was half way through his adventures I had overdosed on the genre. Bear in mind that I had probably read all the Hornblowers three times before I discovered Bolitho, so that isn’t a criticism. For the last decade or so, O’Brian’s Aubrey and Maturin books have been widely popular. By the time they came on the scene, I had moved on, so I can only report them as hearsay.

188. Before the Storm

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On July 28, 1914, 102 years ago Thursday, World War I began.

The years just before the war were a high point in British life, at least if we judge by Masterpiece Theatre. John Buchan set his early espionage novel The Thirty-nine Steps in that era, writing it shortly after WWI had begun. The Riddle of the Sands (see this Wednesday’s post) was an actual prophesy of the coming conflict, since it was published before the war began.

After the Great War, as it was then called, Buchan and many others looked back to the pre-war era with longing. They saw it as a golden age. Perhaps; it depends on your perspective. Young men who expected to work their way up through the ranks of British society – like Buchan when he was young – saw a world of opportunity before them. Their perspective was very different from the working class poor trapped by industrialism.

It was certainly different from the millions in British colonies, toiling to keep the Empire rich, and the ruling class richer.

Victoria was dead; Victorianism wasn’t, at least on the surface. Baden-Powell had just organized the Boy Scouts. Conservatism, especially in sexual matters, was the norm – on the surface.

What was going on at gatherings in the great houses of England was often a different matter. There:

much silent and furtive corridor-creeping between one double bedroom and another took place. . . . During the day, a clandestine affair could develop unobserved . . . At night, the names written on cards slotted into brass holders on the bedroom doors were as helpful to lovers as to the maids bringing early morning tea. Assignations confirmed by . . . a whispered exchange over the candle that lit the way up the stairs . . . ensured that extra-marital sex went on with ease. . . At six in the morning a hand-bell rung on each of the bedroom floors gave guests time to return to their own beds before the early morning tea trays arrived.

That quotation is from The Perfect Summer by Juliet Nicholson. John Buchan’s world never looked like this. (Some critics suggest that it would have been better if it had.) Nicholson has clearly cherry picked among the movers and shakers, the avant-garde, the spoiled children of the rich to whom the rules didn’t apply, to find the subjects of her book. She portrays a world of arranged, often loveless, marriages with gatherings in the great houses designed to facilitate swapping partners on the sly.

Discretion was the watchword. Letting the rest of the world in on your secrets, even if they had similar secrets, could lead to social disaster. Mrs. Patrick Campbell said, “Does it really matter what these affectionate people do in the bedroom as long as they don’t do it in the street and frighten the horses?” The answer to her rhetorical question was, Yes. It mattered very much. Just ask Lady Cunnard, who was in bed with Thomas Beecham when an early morning workman on a ladder saw the two of them through a crack in her bedroom curtain. The scandal almost ruined her.

This is the atmosphere in which the ruling class of England spent the summer of 1911, while their servants scurried about facilitating their dalliances, while the working class struck for higher wages and better working conditions, while natives in tropical colonies slaved in the pitiless sun. And while Germany hungered for their own colonies in a world where the early arriving nations had already gathered them up and sucked them dry.

Their days were numbered.

187. The Rest of the Landings

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Everybody remembers Apollo 11 because it was the first, and Apollo 13 because it failed. And because they made a movie about it. There were five other moon landings.

Apollo 12 — This flight made a precision landing in the Sea of Storms, near the landing place of the Surveyor 3 unmanned probe. Pete Conrad and Alan Bean walked on the moon while Richard Gordon remained in the command module.

Apollo 13 — Once we had reached the moon with Apollo 11 and repeated with Apollo 12, public interest dropped off dramatically. The Apollo 13 flight saw reduced coverage until the explosion. In the movie, Marilyn Lovell says about the newsmen laying siege to her house, “Landing on the moon wasn’t dramatic enough for them – why should not landing on it be?” It is a fitting statement about the last half of the Apollo program.

Apollo 13 suffered a catastrophic explosion and barely got its crew back alive, without landing on the moon. Jim Lovell, Fred Haise and Jack Swigert became part of American myth, especially after the movie Apollo 13.

Apollo 14 — Alan Shepard and Edgar Mitchel piloted their lander to Fra Mauro, the planned destination of Apollo 13. Stuart Roosa was command module pilot.

Apollo 15 — Al Wordon was the command module pilot. David Scott and James Irwin landed on the moon near Hadley rille. This was the first mission to carry a lunar rover, a powered wheeled vehicle that allowed the astronauts to range further from their landing site.

Apollo 16 — Ken Mattingly – who had missed the Apollo 13 mission due to a measles scare – was command module pilot. John Young and Charles Duke landed in the lunar highlands where they collected samples that were geologically older than those brought back by previous missions. Second use of a lunar rover.

Apollo 17 — Ronald Evans was the command module pilot of the last moon mission. Gene Cernan and Harrison Schmitt became the last two men on the moon (so far). They carried the third lunar rover. Schmitt, a geologist, was the only scientist-astronaut to reach the moon.

Apollo 20 was cancelled so its Saturn five booster could be used to launch Skylab. Apollo 18 and 19 were cancelled by budget cuts. All this was done before the launch of Apollo 16, so Cernan, Schmitt, and Evans knew that they would be the last.

For now.

*          *           *

There is one good video of a lunar lander launching from the moon, taken during the last mission. You see a few seconds of it occasionally on PBS space specials. I also found it a this URL: https://www.youtube.com/watch?v=XlGis35Epvs

This appears to be legit, although the things you can find on You-Tube are sometimes outrageously fake. The pictures were taken from a video-camera mounted on the lunar rover, remote controlled from Earth. Similar filming had been attempted on Apollo 15 and 16, without much success.

186. Apollo 11

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Apollo 11 was the first moon landing, but Apollo 13 got the movie because of the extra drama. Except for the absent landing, you probably won’t find a better picture of an Apollo mission than that film. This visuals are stunning and the portrayal of events is quite accurate.

Apollo 11, 47 years ago today, was a complete success, but it flirted with disaster twice, in two separate events, minutes apart during the landing. It was broadcast live, so everyone in America and half the rest of the world heard the crises in real time, but you would have needed to be an insider to understand them at the time. I was listening, glued to the TV screen, and I only later realized what was happening right in front of me.

The lunar lander separated from the command module as scheduled. Armstrong and Aldrin fired its rockets to slow its orbit. As it fell toward the moon, there was an alarm – a code 1202 – on the lander’s main computer. Only two men at mission control knew immediately what it meant. The mission was so complex that there were probably thousands of things only a few of those present fully understood.

The computer was overloading. Too many things were happening at once for it to handle. You need to remember the incredibly tiny capacity of 1969 computers. It could not keep up with events, the queue was getting long, so the alarm sounded. Steve Bales recognized that the computer was still doing everything it needed to do, that it would clear the queue in a few seconds, and said GO when most of those present were thinking ABORT. The mission continued, the computer worked through the queue, and then the alarm went off again. Bales said GO. A third time the computer overloaded and Bales shouted GO for the third time just as the lander was approaching touchdown.

The problems weren’t over. The lander had overshot its target and Armstrong found himself over a massive boulder field. There was nowhere to land.

An abort would have meant firing off the upper stage rocket and returning to the command module, allowing the now nearly empty lower section to crash to the moon, and missing the landing. Instead, Armstrong chose to adjust his rate of fall to a near hoover, tilt the entire lander – now top heavy and prone to flipping – to slide sideways and, just as the last of the fuel was nearly gone, reach a clear area where he set the lander down on the lunar surface.

On Earth, we had all been holding our breaths. We just didn’t realize how much reason we had had to worry.

185. The Flying Bedstead

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300px-LLRV_2Tomorrow is the anniversary of the Apollo 11 moon landing. For most of the followers of this blog, it is part of history. I saw it happen, on a grainy black and white TV in the lounge of a college dorm. (see 27. That Was My Childhood)

You can’t land on the moon by parachute, nor by wings. No air. The only choice the Apollo program had was to land tail first, by rockets, something that had been a science fiction staple for decades, but was nothing like easy to manage. (see yesterday’s post)

Designing a craft to do the work was within the limits of the technology of the day. Vertical landings on Earth had been successfully accomplished. Pilot control on Apollo was expedited by having the astronauts stand to fly the Lunar Lander; the problem with VTOL planes had been that the pilots were strapped into a seat that kept them facing the wrong way when they landed.

The craft could be built, the astronauts were the best test pilots America had to offer. But how do you train?

Simulators? Maybe. Resurrect Pogo or Vertijet? Perhaps. Build a new craft just to use as a trainer? Better. But how do you build a trainer to react as if it were in a 1/6 gee field while landing in on Earth? You can’t just make gravity go away – or can you.

The answer is almost, more-or-less, and good enough to do the job. The first iteration of the trainer was the Lunar Landing Research Vehicle, nicknamed the flying bedstead. You may have seen it. Neil Armstrong ejected from one of them after the controls failed; the footage of the crash is both exciting and brief, which gets it a lot of air play in retrospective specials, especially on anniversaries like tomorrow.

If you see footage of the LLRV not crashing, or of the advanced version LLTV (Lunar Landing Training Vehicle), you can easily see what it is all about. The vehicle consists of an open framework of tubing with the pilot sitting upright in the front (in an ejection seat, thank goodness) with a batch of somewhat shrouded equipment balancing the rear. In the middle, attached vertically, pointing downward and clearly throwing flames, is a jet engine. The craft is uneasily hovering.

Note, I didn’t say hovering on its jet. That is what it looks like, but that is not what is happening. Not quite. When the jet is fired up at takeoff, the LLRV or LLTV simply sits there. The jet has 5/6 of the thrust needed to lift the craft. While hovering, the rest of the thrust is provided by a separate set of hydrogen peroxide thrusters which are controlled by the pilot. If the pilot were to simply turn off his thrusters, the LLTV would crash to the ground at the same speed it would crash to the moon.

The jet subtracts enough of the LLTV’s mass to make it react as if it were in a 1/6 gee gravity field, allowing the pilot to maneuver his craft as if he were coming in for a lunar landing. Armstrong made over fifty LLTV landings before he landed on the moon.

If you want to know more about this craft, there is a half hour special full of information, old footage, and interviews with retired LLRV pilot and an engineer from the project. Huell Howser is the host. If you live in California, and you watch PBS, you know Huell. He is an acquired taste that I have never quite been able to acquire, but sometimes what he covers makes up for his idiosyncrasies. This is one of those cases. The program is California’s Gold #13003 – LUNAR LANDING. Try your local PBS station or check with the Huell Howser Archives at Chapman University.

184. Tail First

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The first manmade object to leave the atmosphere and enter space wasn’t American or Russian. It was German. In 1942, V-2 rockets, first as prototypes, then as weapons, entered space routinely at the top of their high-arching flightpath.

That was the picture of spaceflight that lived in the heads of the kids of my generation. On Saturday morning TV shows, heroic young spacemen went off to save the universe and all their spacecraft looked like V-2 rockets. No wonder; this was pre-George Lucas and special effects were minimal. However, captured German footage provided plenty of shots of V-2s taking off.

These Saturday morning specials also landed upright on their tailfins. (Yeah, you guessed it. They ran the films backward.) On Dec 21, 2015, Elon Musk and SpaceX finally pulled that off in the real world. It makes me wonder what he was watching when he was a kid.

In the early days of serious thinking about space, when WW II was freshly over and the V-2 had shown the way, there seemed to be only two ways to land a spacecraft: either tail-first at a prohibitive cost in fuel, or by flying back in a winged craft. Neither was possible with the technology of the day, but the folks at Edwards Air Base were working on the latter, culminating in the X-15 (see 164. Flight Into Space). Later came the Space Shuttle.

In my novel Cyan, VTOL rocket shuttles are used extensively on Earth, and of course are the basis for landing craft on unexplored worlds. There won’t be any runways when we reach Alpha Centauri.

There is actually has a long history of craft designed to explore tail first landings.

X-13 Ryan Vertijet took off vertically, rolled over to horizontal while the pilot changed to a separate set of controls, carried out its mission in horizontal mode, then, at altitude, transitioned again to vertical mode. The pilot then slowly dropped toward the ground to land. The limitations that make this a technology demonstrator rather than a workable aircraft all become obvious near the ground.

Before takeoff, the Vertijet reached the airfield horizontally, hooked to and riding on a trailer. The trailer then lifted like a drawbridge until the Vertijet was vertical, dangling from a cable that hooked under the Vertijet’s nose. It took off from that position, and then returned to the trailer to land. As it approached the ground, traveling nose skyward, the pilot would slide his craft carefully sideways until the nose of his jet came in contact with a horizontal bamboo pole. Using that as a guide, the pilot then moved his craft toward the trailer until his nosehook came into contact with the cable. Then he cut his power; he had landed by reaching a condition of dangling from the cable, bellied up to the vertical bed of the trailer. The trailer was then lowered to horizontal, Vertijet attached.

Not very practical, but it did work. Only two Verijets were built and only a few operational flights were attempted.

The X-14 was of different configuration, with vanes to deflect its thrust. It took off vertically, but with the plane itself horizontal, in the manner of a modern Harrier.

The Lockheed XFV-1 had the power and the configuration for vertical takeoff and landings, but they never managed to work out the issue of pilot control. No successful vertical takeoffs or landings were made. It flew only conventionally with makeshift landing gear bolted to its belly.

The Convair XFY Pogo took off vertically, transitioned to horizontal, and made vertical landings, but only with great difficulty, and only with extremely experienced pilots. It was impractical, largely because the pilot had to look over his shoulder at the ground during vertical landings.

If we could salvage the rear vision camera from any 2016 sedan and send it back by time machine, any one of these craft would have been successful, but in the fifties the idea of looking at the ground while your eyes were skyward was pure science fiction.

Reaching on the moon would require a vertical descent and landing. They built a special craft to train astronauts for that mission. We’ll look at it tomorrow.

183. Roll Call for the Unremembered

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Next week contains the anniversary of the first moon landing, and I intend to dedicate all posts to that event.

I grew up with Mercury, Gemini, and Apollo, but even I could not call out the names of all twelve men who landed on the moon without a crib sheet. The past seems to fade from memory as soon as it disappears from the rear view mirror. In the case of the early space program, that is a shame.

Here’s that crib sheet —-

Apollo 1 — Almost two dozen unmanned launches by various boosters tested hardware during the unmanned phase of Apollo. The scheduled first manned launch, AS-204, was renamed Apollo 1 after the capsule fire which killed Gus Grissom, Roger Chaffee, and Ed White on February 21, 1967. There had been growing anger in the astronaut corps over shoddy workmanship in the Apollo capsule, which boiled over after this unnecessary loss of life.

Apollo 7 — Don’t worry about the numbering oddity. It’s a mare’s nest which is not worth untangling. Apollo 7 was the first manned Apollo flight. Apollo 1 was not a launch, since the disaster took place on top of an unfuelled rocket. Wally Schirra, Walt Cunningham, and Donn Eisele left the pad on October 11, 1968 to spend eleven days in orbit. Schirra had been particularly relentless in pushing for quality and safety during the year and a half delay. He retired from NASA after the flight, the only man to fly for all three programs.

Apollo 8 — The lunar lander was not ready and the Russians looked like they were about to attempt a moon landing., so NASA decided to gamble. Frank Borman, Bill Anders, and Jim Lovell launched December 21, 1968 for the moon without a lander. They entered lunar orbit, circled the moon ten times, then returned to Earth. They were the first humans to see the back side of the moon directly, although pictures had been sent back as early as 1959 – by the Russians.

Apollo 9 — James McDivitt (Commander), Rusty Schweickart (Lunar Module Pilot), and David Scott (Command Module Pilot) launched into Earth orbit on March 3, 1969 for a ten day mission. This was the first flight of a Lunar Excursion Module, and the first time the designations of individual astronauts became fully meaningful. After entering orbit, the command module with service module attached, moved away from the final stage of the Saturn, reversed, docked with the lunar excursion module which had been carried beneath it, and extracted the LEM. This head to head orientation allowed McDivitt and Schweickart to enter the LEM, detach it and test it in free flight while CM pilot Scott stayed in the command module.

Apollo 10 — The dress rehearsal. Launched May 18, 1969, Apollo 10 achieved lunar orbit, where Tom Stafford and Gene Cernan entered the lander, leaving John Young in the command module. They fired retros and descended to within 16 kilometers of the surface of the moon, did not land, reentered lunar orbit, and rendezvoused with the command module.

I have always felt that this has to be the most frustrating event in the history of space travel. Except, maybe, for Apollo 13. Or, maybe, for the six command module pilots who watched their crewmates successfully land on the moon.

Apollo 11 gets its own post next Wednesday, and the rest of the crib sheet comes after that.