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The first rendition of the SLS, known as Block I, is shown in this artist’s concept of the finished configuration. Block I is being developed for the initial SLS flights: Exploration Mission 1 (EM-1), planned for 2018, and EM-2, which will occur in 2021 or 2022. Photo Credit: NASA/MSFC
Government Brief: GAO Reviews SLS Estimate Practices

A recent Government Accountability Office (GAO) report noted that development of Space Launch System (SLS) cost and schedule estimates largely reflects best practices.

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Interview with Sean McGinnis, APPEL Instructor for Introduction to Green Engineering
Expanding World-Class Engineering to Encompass Environmental Considerations

The term “green engineering” is increasingly popular, but what does it really mean to NASA’s missions?

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NASA pilot Dave Wright reviews pre-flight checklist prior to take-off. Photo Credit: NASA
My Best Mistake: David Oberhettinger’s “Why I Love Checklists”

So far, my life and career have weathered many mistakes.

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On August 13, 2015, an RS-25 engine underwent a hot-fire test to examine its ability to withstand the extreme temperature and pressure conditions that will occur during an actual SLS launch. Photo Credit: NASA
From Shuttle to SLS, the RS-25 Maintains A Tradition of Success

NASA took a step farther along the journey to Mars with a successful hot-fire test of the RS-25 engine that will form part of the core stage of the Space Launch System (SLS).

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NASA APPEL Supplemental Resources Updated
At APPEL, Expanded Supplemental Resources Increase Learning Opportunities

The Academy recently introduced new resources to help practitioners maximize their learning opportunities before and after attending APPEL courses.

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The Viking Lander 1 aeroshell consisted of a heat shield, designed to protect the lander during entry into the Martian atmosphere, and a “backshell” that contained parachutes and other components. Photo Credit: NASA
This Month in NASA History: A Quest Commenced for Life on Mars

Forty years ago this month, Viking 1 left Earth on a technologically and scientifically challenging mission designed to answer the question: Are we alone in the universe?

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Masters with Masters Double Feature
Glenn Research Center and NASA’s Chief Knowledge Officer to Host a “Double Feature” of Masters with Masters Interviews

Project leadership and mentoring coincide in this series.

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On August 22, 2012, the rover made its first move, going forward about 15 feet (4.5 meters), rotating 120 degrees and then reversing about 8 feet (2.5 meters), from its landing site. The landing site was subsequently named Bradbury Landing, named after Ray Bradbury, whose first book was The Martian Chronicles and who was born on August 22, 1920. Photo Credits: NASA and AP
F2F for Knowledge In, Knowledge Out

What lesson can be learned from real and fictional portals?

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Astronaut Scott Kelly, currently spending 12 months on the ISS as part of the novel One-Year Mission, snapped this image of the SpaceX Dragon cargo craft docking with the space station. ESA astronaut Samantha Cristoforetti is also visible. Photo Credit: NASA
Accelerating Innovation Across Diverse Interests

Renowned as a unique research platform for issues affecting human spaceflight, the applications of the International Space Station (ISS) continue to expand.

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