But against all the odds, on the 16 July 1969, just 30 months after the fatal fire - the first Saturn V rocket attempting to carry men from the surface of one world to another rose into the Florida sky.

BBC: The magic of Apollo

But to give these troops greater mobility, it is buying eight Cougar helicopters from France, each capable of carrying 25 men and a rocket-launcher.

ECONOMIST: Colombia and its neighbours

We begin with one of the most desired plots of all: the rise of talented men and women enjoying the rocket ride to stardom.

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At one point, we entered an enormous three-chambered room full of men and women working on towering rocket engines.

CNN: STORY HIGHLIGHTS

It has moon rocket manuals, sound clips and bits of video of the first men to the moon.

BBC: Apollo Lunar Surface Journal

The list of rich men obsessed with space exploration is as long as an Apollo rocket.

FORBES: Elon Musk, Jeff Bezos licked by James Lick in space race

"We've seen young men coming back from Iraq who've been injured with rocket-propelled grenades and other things more severe than this, " Gearhart says.

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These men have only very light weapons - machine-guns and rocket propelled grenades - and they have no answer when government forces decide to use heavy weapons, as they appear to have done overnight.

BBC: Homs attack: BBC reporter takes in differing accounts

Four men in their 40s are still being questioned by police after a home-made rocket was found in a car stopped in Londonderry on Thursday night.

BBC: Four still held over Derry rocket