![APPEL-CONT](https://appel.nasa.gov/wp-content/uploads/2014/08/CONT.png)
APPEL News Staff
![The 170-foot Vertical Assembly Center (VAC) is the world’s largest spacecraft welding tool. It will be used to build the core stage of the SLS. Photo Credit: NASA](https://appel.nasa.gov/wp-content/uploads/2014/08/vac-progress.jpg)
The Government Accountability Office (GAO) calls for NASA to match Space Launch System (SLS) Program resources to requirements to ensure long-term affordability and sustainability.
![Quiet Project Management instructor Mike Erwin engages participants in the pilot course at the Academy Center for Excellence. Photo Credit: Roger Forsgren, APPEL Director](https://appel.nasa.gov/wp-content/uploads/2014/08/Mike_Erwin.jpg)
The NASA workforce is highly talented, yet some employee potential may be overlooked. A new APPEL pilot course shows how to capture that potential.
![Justin Niehaus removing water and nitrogen hoses during fill tank training. Photo Credit: Sterling Tarver, Jet Propulsion Laboratory](https://appel.nasa.gov/wp-content/uploads/2014/07/GRC-Rocket-U-jsutin-niehaus.png)
Justin Niehaus may be an early-career professional at Glenn Research Center, but thanks to their pilot Rocket University program, he’s already experiencing what it’s like to be a project manager.
![APPEL Catalog](https://appel.nasa.gov/wp-content/uploads/2014/07/APPEL-catalog.png)
This August, NASA practitioners interested in attending APPEL courses will discover a more interactive way to engage with the Academy’s curriculum: the new APPEL Catalog.
![A Boeing KC-135, equipped with winglets, during a 1979 test flight. Photo Credit: NASA Dryden Flight Research Center](https://appel.nasa.gov/wp-content/uploads/2014/07/EC79-11314-winglets.png)
Thirty-five years ago this month, an aerodynamic innovation driven by soaring fuel prices took flight: winglets.
![Lift off of a Boeing Delta IV heavy launch vehicle, part of the evolved expendable launch vehicle (EELV) program. Photo Credit: U.S. Air Force photo by Carleton Bailie](https://appel.nasa.gov/wp-content/uploads/2014/07/gao1.png)
Recent Government Accountability Office (GAO) testimony to Congress identified a need for best practices to enhance future U.S. launch vehicle development efforts.
![Early on the morning of July 2, 2014, at Vandenberg Air Force Base in California, the United Launch Alliance Delta II rocket prepared to launch OCO-2 into space. Photo Credit: NASA](https://appel.nasa.gov/wp-content/uploads/2014/07/OCO-2.png)
Orbiting Carbon Observatory-2 (OCO-2) launched into its targeted orbit on July 2, 2014, giving NASA a second chance to answer critical questions about atmospheric carbon dioxide (CO2).
![2014 class member Vanessa Stroh from Kennedy Space Center speaks at the graduation ceremony about the importance of partnerships in making the dream of space exploration come true. Photo Credit: NASA / Joel Kowsky](https://appel.nasa.gov/wp-content/uploads/2014/07/seldp-graduation-2014-Stroh.png)
The critical roles of attitude and change were stressed throughout the graduation ceremony for the Systems Engineering Leadership Development Program (SELDP) class of 2014.