universetoday.com
NASA’s First SLS Mars Rocket Fuel Tank Completes Welding - Universe Today
The first of the massive fuel tanks that will fly on the maiden launch of NASA’s SLS mega rocket in late 2018 has completed welding at the agency’s rocket manufacturing facility in New Orleans - marking a giant step forward for NASA’s goal of sending astronauts on a ‘Journey to Mars’ in the 2030s.