2016年8月18日 星期四

Plugging Away Inside Massive SLS Fuel Tank: Welders Complete Final Plug Fusion Welds on SLS Liquid Hydrogen Tank


Welders inside a large liquid hydrogen tank for NASA's Space Launch System at the Michoud Assembly Facility in New Orleans are plugging holes left after the tank was assembled. via NASA http://ift.tt/2b3ycaU

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