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Hi, I'm Jonathan Pahed. I'm a component
product engineer for Aerojet Rocketdyne

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supporting the RS-25 engine program
for NASA's Space Launch System.

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And this is Rocket Science in
Sixty Seconds.

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♪♪♪♪

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Four RS-25 engines provide over two
million pounds of thrust during lift-off

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of the SLS.

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♪♪♪♪

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The jacket of the nozzle used
to be a welded assembly of

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thirty-five pieces. We now make
it from four cone sections

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which results in a bell that
will significantly improve

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the assembly process.

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♪♪♪♪

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Hot gases exit the engine nozzle
at thirteen times the speed

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of sound. Fast enough to travel
from Los Angeles to New York in

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fifteen minutes

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♪♪♪♪

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3D printing or additive
manufacturing is new technology

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that saves time and money.

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We've identified thirty-five
component candidates on

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the engine that are ideal for
3D printing.