Today's take-off would be the first attempt at a rocket-lift to space.

"The enemies of the Platform haven't given up," said the major
formidably. "And they used spectroscopes on the Platform's rocket fumes.
Apparently they've been able to duplicate our fuel."

Joe nodded.

Major Holt went on: "For more than a month Military Intelligence has
been aware that rockets were under construction behind the Iron Curtain.
They will be guided missiles, and they will carry atom bomb heads. One
or more may be finished any day. When they're finished, you can bet
that they'll be used against the Platform. And you will carry up the
first arms for the Platform. Your ship carries half a dozen long-range
interceptor rockets to handle any attack from Earth. It's vitally
important for them to be delivered."

"They'll attack the Platform?" demanded Joe angrily. "That's war!"

"Not if they deny guilt," said the major ironically, "and if we have
nothing to gain by war. The Platform is intended to defend the peace of
the world. If it is destroyed, we won't defend the peace of the world by
going to war over it. But while the Platform can defend itself, it is
not likely that anyone will dare to make war. So you have a very
worthwhile mission. I suggest that you have breakfast and report to the
Shed. I'm on my way there now."

Joe said, "Yes, sir."

The major started for the door. Then he stopped. He hesitated, and said