Erika Alvarez is the Lead Systems Engineer for NASA's Space Launch System — so what does a lead systems engineer do? Get the details and learn more about SLS in our newest episode of NASA's Rocket Science in 60 Seconds! go.nasa.gov/2WPOGgf | NASA's Marshall Space Flight Center

When it comes to planning NASA's journeys to the Moon and Mars, there are no small steps. More than 55 miles of cable connect the avionics that guide NASA's Space Launch System. Take a closer look at the brains behind the rocket >> go.nasa.gov/2YOXAde | NASA's Marshall Space Flight Center

155K views · 4.3K reactions | Tough negation on this 2012 Mercedes Benz SLS with only 14K miles! These cars are going up and up in value, so we don’t mind keeping it a little longer. #sales #dealership #mercedes #sls #negotiation | Moving Merch | Facebook

22K views · 210 reactions | Introducing the 2012 Mercedes-Benz SLS AMG, available for R3,999,000.00 with 40,584 km on the odometer. This legendary supercar blends stunning performance with classic elegance. Experience unparalleled driving with its robust V8 engine and premium features. #MercedesBenz #SLSAMG #Supercar #LuxuryPerformance #pharoahauto #pharoahgroup | Pharoah Group | Facebook