NASA Ready to Rumble

NASA is developing the Space Launch System rocket, Orion spacecraft and the grounds systems needed to launch astronauts to destinations far into the solar system. Between January and March 2015, the agency made strides to build these capabilities. Recent progress includes a test of the RS-25 engine, evaluation of the Orion heat shield that flew into space in 2014, upgrades to the Mobile Launcher and Crawler Transporter at Kennedy Space Center in Florida, and to the Pegasus barge that will transport the SLS core stage to Florida prior to launch, as well as a full-scale firing of the SLS booster in a major qualification test.
During the Space Launch System flight, the boosters will provide more than 75 percent of the thrust needed @ 7.2 million pounds of thrust to reach escape velocity, "Houston, Go Mars"

NASA Ready to Rumble

 "Courtesy NASA/JPL-Caltech." https://archive.org/details/Preparing...

 more info:

RS-25 test:

Orion heat shield work:

Crawler Transporter:

Pegasus barge:

SLS booster test:

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NASA SLS Test 

NASA tested the largest, most powerful booster ever built for flight for the agency’s new rocket, the Space Launch System (SLS) on June 28 at Orbital ATK Aerospace System’s test facility in Promontory, Utah. SLS and NASA’s Orion spacecraft will launch astronauts on missions to explore multiple destinations on the journey to Mars. 

https://www.nasa.gov/

Video source: NASA- https://youtu.be/vOs8giC8hGk

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