Done in 60 seconds: See a Massive Rocket Fuel Tank Built in A Minute

It took a lot longer than 60 seconds to weld the massive 130-foot rocket fuel tank. This time-lapse video shows the construction and rotation of the liquid hydrogen tank for the core stage of NASA’s Space Launch System rocket -- the new heavy-lift rocket being built in the Vehicle Assembly Center at NASA’s Michoud Assembly Facility in New Orleans. There are two views, looking down as the tank is assembled and then looking up. The hydrogen tank comprises nearly two-thirds of the length of the 212-foot-long c